For which of the following reasons do small, isolated islands have a greater rate of
species extinction than larger, less isolated islands?

Answers

Answer 1

Answer:

Larger islands that are large and close to the mainland are shos lower rate of extinction due to the fact that the species present have more space so there will be more resources available in comparison to smaller islands where limited space and limited resources available.

Extinction is greater on islands isolated due to the unlikelihood of immigration and as it is opposite to the island close to the mainland and competition is more in isolated islands.

Answer 2

Lack of immigration, lower space and resources are the reasons small isolated islands have a greater rate of  extinction.

Large islands have large space for the growth of an organism as well as more resources which lowers the competition between organisms while on the other hand, small islands have lower space for growth and low amount of resources which causes to more competition leads to greater rate of extinction so we can conclude that lack of immigration, lower space and resources are the factors that affect the rate of extinction.

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Related Questions

Turgor pressure is the pressure exerted on a plant cell wall by water. When wilted plants are placed in water, they demonstrate increased turgor pressure and become straighter. What is occurring at the cellular level when plants display increased turgor pressure?

Answers

Answer: When wilted plants are given water, it enters the cell generating turgor and giving a firmer appearance, and this water is stored in the vacuoles.

Explanation:

Turgor is a phenomenon in plant cells in which the cell expands due to the pressure exerted by the fluids and also by the cell content on the walls. It is related to osmosis, since the external pressure is usually very high and this internal pressure dilates the cell as much as the elasticity of the membranes allows. Then, the cells swell by absorbing water, tensing the membranes because of the pressure against them. When the fluid exerts outward pressure on the cell wall it is called turgor pressure.  Whereas, the inward pressure exerted on the cell contents by the stretched cell wall is called wall pressure. Generally, both pressures, turgor pressure and wall pressure, are counterbalanced and balanced.

So, this pressure of turgor facilitates the elongation of the cells in the plant, and also, the cells use this phenomenon to regulate the transpiration through the opening and closing of the stomach.

Thereby, the turgor of a living cell is influenced by three primary factors:

An adequate supply of water.The formation of osmotically substances.A semi-permeable membrane.

Vacuoles are organelles bounded by a single membrane and present in plant and fungal cells, and where water is stored. Plant cells control their turgor pressure through the movement of water into or out of vacuoles. When wilted plants are given water, it enters the cell generating turgor and giving a firmer appearance, and this water is stored in the vacuoles.

Answer:

When wilted plants are given water, it enters the cell generating turgor and giving a firmer appearance, and this water is stored in the vacuoles.'

Explanation:

please hurry!! I will mark you brainliest I need this NOW

Which of the following terms are synonymous to vertical axis?

Select all that apply.

longitudinal axis

dorsoventral axis

frontal-horizontal axis

sagittal-transverse axis

Answers

Answer:

Longitudinal axis I believe is the answer.

It’s longitudinal axis

2. How does the gametophyte obtain nutrition?

Answers

Answer:

The gametophyte is generally green and photosynthetic, and obtains water and other nutrients from the soil by direct absorption into its cells. It contains no cells specializing in the transport of water and/or nutrients (vascular tissue) and therefore cannot grow so large as to prevent contact between the soil and the majority of its cells.

Answer:

from the soil and energy.

Explanation:

Identify the FALSE statement below:
A.) the mantle gets hotter the closer to the core you are
B.) convection occurs within the mantle
C.) the material that makes up the mantle is liquid
D.) Earthquakes can occur in only one portion of the mantle

Answers

The False statement is D
d) earthquakes can occur in only one portion of the mantle

What are nucleic acids responsible for?

Answers

Answer:

The functions of nucleic acids have to do with the storage and expression of genetic information. Deoxyribonucleic acid (DNA) encodes the information the cell needs to make proteins. A related type of nucleic acid, called ribonucleic acid (RNA), comes in different molecular forms that participate in protein synthesis.

Explanation:

Nucleotides are important as they form the building blocks of nucleic acids, such as DNA and RNA. Nucleotides are made up of 3 parts. The first is a distinct nitrogenous base, which is adenine, cytosine, guanine or thymine.

This biome is the most diverse.
A Taiga
B Arctic (Polar)
C Rainforest
D Desert

Answers

C is the answer , the rainforest has the most diverse biodiversity.

what is the Atomic Number of a neutral atom that has 5 neutrons and 4 electrons

Answers

Since it has 4 protons, it must have an atomic number of 4. (That makes it beryllium.)
Since it has a 4 protons and 5 neutrons, it has a mass number of 9.

The atomic number, z, is the number of protons. Assuming that this is an electrically neutral atom  -the number of protons equals the number of electrons-, we can say that the atomic number is 4.

----------------------------------------

The representation of an element includes a superior number that indicates the massic number, and an inferior number that indicates the atomic number. We need to know that every atom is identified by its number of protons and neutrons. So,  

Representation ⇒ ᵃ X ₀

Where  

• X is the element  

a is representing the massic number, which is defined as the sum of the number of protons and the number of neutrons.

z is the atomic number, which is the number of protons ⇒ represented as

                                                                                                      0 above

In electrically neutral atoms, the number of protons equals the number of electrons. This means that the atomic number also indicates the number of electrons.  

• We will call n to the number of neutrons, which equals a - z  

When protons, neutrons, and electrons get together to form an atom, they lose part of their mass as energy. This is why the atomic weight is slightly inferior to the sum of masses.  

So, what you need to know is that  

• Nº of protons = Atomic number → z

• Nº of neutrons = Massic number - Atomic number → n = a - z  

• Nº of Electrons = Nº of protons = Atomic number → z

Let us analyze the carbon example.  

Element representation ⇒ ¹⁴ C ₆  

• Massic number = 14

• Atomic number = 6  

So, from this information we can assume that

• Nº of protons = Atomic number → 6

• Nº of neutrons = Massic number - Atomic number → 14 - 6 = 8  

• Nº of Electrons = Nº of protons = Atomic number → 6

In the exposed example, we have an element, let us name it X with 5 netrons and 4  electrons. And we need to say what is the atomic number, z. In this example we do not need to do perform any calculations, because we already know that  the atomic number = number of protons = number of electrons, so

• Nº of neutrons = Massic number - Atomic number → 5

• Nº of Electrons = Nº of protons = Atomic number → 4

from this information we can assume that the massic number is 9, because the massic number = number of protons + number of neutrons.

---------------------------------

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What determines how much energy a human can receive from food answer correct and ill give brainliest

A. how much oxygen the food contains
B. how much nitrogen the food contains
C. how much the food molecules weigh
D. how much energy the food molecules have

Answers

Answer:

D. how much energy the food molecules have

Explanation:

Which homeostatic process is characterized by the diffusion of only water molecules?
active transport
osmosis
passive transport
dynamic equilibrium

Answers

osomosis
explanation:

Answer:

It is osmosis

Explanation:

An electrocardiogram is a test that doctors use to assess cardiovascular health. The image below shows data given by an electrocardiogram.
h
ہ
prir
mm
What type of data is recorded by the electrocardiogram?
OA.
the amount of oxygen in the blood
ов.
the electrical activity of the heart
OC. the sound of the heart beating
OD
the force from the heart beating
20 Edmentum. All rights reserved.

Answers

Answer:

The type of data that is recorded by electrocardiogram is the electrical activity of the heart.

Explanation:

The heart functions through a nerve structure —the sinus node, the atrioventricular node and the His-Purkinje system— which determine the functioning of the organ through electrical activity.

The electrocardiogram, or EKG, is a device that records the electrical activity of the heart. This allows us to know any alteration in said activity, such as arrhythmias, interruption of electrical impulses or alteration of the heart's anatomy.

In order for the EKG to be able to record the electrical activity, electrodes must be placed on the limbs and chest, which are the sensors in charge of receiving the information of the heart's electrical activity.

Other options are not correct because:

The amount of oxygen in the blood is measured by using oximeters or blood gas measurement. The sound  or the force from the heart beating can be recorded by auscultation with a stethoscope.

Describe each method for determining the volume of an object. Explain when
you would use each one.

Answers

Answer:

Explanation:

1. "Rectangular prism - Multiply the measurement of the length times the width, then times the height."

2. "Cube - Since all sides are the same measurement, it would be the measurement of any side, or edge, cubed, or a³"

3. "Prism - Find the area of the base, then multiply the area times the height of the prism. Area would be length times width (B), or B x h"

Write a scientific explanation detailing the transfer of energy through an ecosystem. Using the energy pyramid below, determine how much energy will be transferred to each level of the pyramid if the producers have 1 million kilocalories, and explain where the rest of the energy will go.

Answers

Answer:

I cannot do math but i can tell you that less than 1 percentage of eneegy is transfered from the primary plant down the pyramid

The amount of energy that will be transferred to each level of the pyramid if the producers have 1 million kilocalories is as follows:

Producers = 1000000 kcal.Primary consumers = 100000 kcal.Secondary consumers = 10000 kcal.Tertiary consumers = 1000 kcal.

What is an ecosystem?

An ecosystem may be defined as a place or an area where individuals of different species live together and interact with one another for the purpose of food, shelter, and space.

According to the 10% law given by Lindemann, only 10% of energy gets transferred from one trophic level to the next while the remaining energy is utilized for various life processes of the organisms and some are lost as heat.

The left 90% of the energy is utilized in order to live, grow, reproduce, etc. While some energy may also be lost as heat in the environment.

Therefore, the amount of energy that will be transferred to each level of the pyramid if the producers have 1 million kilocalories is well described above.

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Match the terms to their definition
the number of individual organisms born into a population in a given year
the movement of individuals out of a population
the number of individual organisms that die in a population in a given year
the movement of individuals into a population
DONE

Answers

Answer:

the number of individual organisms born into a population in a given year  - Birth rate

the movement of individuals out of a population  - Emigration

the number of individual organisms that die in a population in a given year  - Death rate

the movement of individuals into a population  - Immigration

Explanation:

The birth rate describes the frequency of live births in a population. In contrast, the death rate, also called the mortality rate is the number of deaths in a population. They are usually reported as a number per 1000 people, per year.

Migration is the movement of organisms. Immigration is used to describe the act of organisms in a population into a new destination. Emigration is the act of organisms leaving their current population

Answer: the number of individual organisms born into a population in a given year  - Birth rate

the movement of individuals out of a population  - Emigration

the number of individual organisms that die in a population in a given year  - Death rate

the movement of individuals into a population  - Immigration

Explanation:

The DNA complementary strand for CGA TCC TTC is which of the following?​

Answers

Answer:

The complementary DNA strand is:

Explanation:

GCTAGGAAG

1. A volcanic eruption levels the land in the surrounding area,
covering everything with ash and killing almost all living things. This is
classified as a
limiting factor.
2. As the population of elks in a forest increases, the decreasing
availability of their food source, aspen and willow leaves, acts as a
limiting factor.
3. Part of a forest is clear-cut to make room for new buildings and
roads as part of a housing development. This decreases the available
habitat for all species, making it a
limiting factor.

Answers

The limiting factors for these scenarios are density dependant or density-independent.

The growth or decrease of a population depends on factors that can or cannot be related to the number of inhabitants that the population has.

Density dependant limiting factors: the growth rate of a population changes due to the increase in a population's density, that is to say, the number of inhabitants, has a direct impact on the growth or decrease of this population.

Density Independent limiting factors: the growth rate of a population changes due to factors that are not related to the population itself. In other words, they are external factors, such as a volcanic eruption, that affect the rate.

In conclusion, a volcanic eruption covering everything in ash and killing almost all living things is a density-independent limiting factor. The increase in the population of elks and the decrease in their food source is a density dependant limiting factor, which makes elks compete for food. Lastly, part of a forest being clear cut to make room for buildings, and decreasing the available habitat for species is a density-independent limiting factor.

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CAN SOMEONE PLEASE HELP WITH THIS?!

Answers

Answer:

9.) third one

10.) first one

11.) cant help you have to write that one (sorry)

12.) first and fourth ones.

Explanation:

Can a purine pair with a purine?

Answers

Answer:

A always pairs with T and C always pairs with G. A and G are purines, meaning that they have two rings, while T and C are pyrimidines, meaning they have one ring.  Due to the Watson and Crick model, the width of DNA is constant, meaning that there must be a consistant width in each base pairing.  As a result, only a purine can pair with a pyrimidine, giving each base pairing a total of 3 rings.

Explanation:

PLS HELP ITS AN EMERGENCY PLZZZZ ILL DO ANYTHING PLSS ITS FOR 50 POINTS PLSSSSSS

Answers

question 1: im not completely sure but either A or B. but i would go with A
question 2: B-calvin cycle
question3: B-splitting carbon dioxide.
question 4: B-chlorophyll

Which of the following is NOT a necessary characteristic of a living things?

Answers

Answer:

B) Living things eat.

Explanation:

Not all living things have to eat. Living things, like plants, make their own food.

The following is not a necessary characteristic of a living thing: that they eat, which is present in option b, as the living organism grows, reproduces, and is made up of cells.

What is the significance of the living organisms?

Living organisms are made up of cells, and there are many forms of living organisms, such as prokaryotic bacteria and complex multicellular animals, and all of them grow and reproduce. Living organisms such as plants don't eat like animals, but they do take part in the reproduction process to form new plants, and the living forms grow in size as they develop.

Hence, the following is not a necessary characteristic of a living thing: that they eat, which is present in option b, as the living organism grows, reproduces, and is made up of cells.

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when a sperm cell fertilizes an egg cell a new cell is created. what is the name of the newly created cell
a. gastrula
b. zygote
c. blastula
d. endoderm

Answers

Answer:

The answer is B, zygote.

Which if these best describes a climax community? HELP IT'S FOR A TEST I DON'T HAVE MUCH TIME!!!

Answers

The key point in a climax community is a population in equilibrium, or balance, with respect to both biotic and abiotic factors. The second answer choice would best describe such a community.

The other choices contain words that suggest a state of disequilibrium (“growing,” “booming population,” “decreasing population”).

please answer the questions in the picture , thank you

Answers

Answer:

Explanation:

the first one is it is absorbing

the next one  is going into it

Please help quickly

Answers

Answer:

use the camera lol....

light availability determining the growth rate for plants


Which of the following is NOT a role of plasma proteins?
To destroy infectious agents
To help transport insoluble molecules
To make the blood thicker
To help maintain the osmotic balance and pH of the blood
All of the above are roles of plasma proteins.

Answers

All of the above I believe!

a student makes a claim that a cell is undergoing the process of transcription . What evidence woul
d be present to support his claim

Answers

Question:

The complete question has these options:

A) tRNA with anticodons is carrying amino acids to the ribosomes.

B) DNA polymerase is using both strands of DNA to produce multiple RNA molecules.

C) Ribosomes are reading mRNA molecules three nucleotides at a time to synthesis proteins

D) RNA polymerase is using a single strand of the DNA molecule as a template for mRNA production

Answer:

D) RNA polymerase is using a single strand of the DNA molecule as a template for mRNA production

Explanation:

During transcription, RNA polymerase uses DNA as a template to create a new molecule of mRNA via complementary base pairing

A) tRNA with anticodons is carrying amino acids to the ribosomes.  - this is not evidence of transcription but is instead evidence of translation

B) DNA polymerase is using both strands of DNA to produce multiple RNA molecules.  - this is false, DNA polymerase is the enzyme that performs DNA replication not transcription.

C) Ribosomes are reading mRNA molecules three nucleotides at a time to synthesis proteins  - this is not evidence of transcription but is instead evidence of translation

D) RNA polymerase is using a single strand of the DNA molecule as a template for mRNA production - this accurately describes the process of transcription.

When are electrons able to be pushed and move freely

Answers

No lo se pero buen día ciela pásala rico

Food labels provide which of the following information

A. Number of servings
B. Calories per serving
C. Vitamin and mineral content
D.All of the above

Answers

It is All of the above

someone help me please​

Answers

Answer:

Community

Explanation:

food provides energy when it is broken down by a chemical change known as?​

Answers

(Answer: Metabolism)

Is water is consumer

Answers

Answer:

water is not a consumer but a producer

Explanation:

this is because they use nutrients from the sun to produce their own foods

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