What are features of an ocean marine ecosystem?






ps. ANSWER THIS IMMEDIATLY NOW!!! thankyou

Answers

Answer 1

Answer:

Marine ecosystems are characterized by factors such as availability of light, food and nutrients. Other factors that affect marine ecosystems include water temperature, depth and salinity, as well as local topography. Changes in these conditions can change the composition of species that make up the marine community.


Related Questions


What did the plastic wrap represent in this model?

Answers

Hey, you didn’t attach a image.

Check Check Match the function to the correct part of the cell. DNA controls the activities of the cell nucleus supports and protects the organelles in the cell cytoplasm contains instructions on how a cell functions​

Answers

Answer:

DNA- contains instructions on how a cell functions

Nucleus- controls the activity of the cell

Cytoplasm- supports and protects the organelles in the cell.

Explanation:

Hope it helps you. Please mark as the brainliest. Thanks.

Answer:The answers are right js did on edge Thanks !!!

Explanation:


12. Identify the stage of mitosis shown here. Describe
the events that occur in this stage.
Spindle


JUST QUESTION 12 please

Answers

Mitosis consists of four basic phases: prophase, metaphase, anaphase, and telophase. Some textbooks list five, breaking prophase into an early phase (called prophase) and a late phase (called prometaphase). ... Cytokinesis typically overlaps with anaphase and/or telophase.

The chromatids are arranged at the center, with a joined spindle at the metaphase of mitosis.

Mitosis is the type of cell division in which the parent cell divides into two daughter cells.

What are the phases of Mitosis?

The mitosis is divided into four phases, namely,

ProphaseMetaphaseAnaphaseTelophase

The arrangement of the duplicated chromatids at the center plate with the binding with spindle fiber is represented in the metaphase of the mitosis cycle.

Learn more about mitosis, here:

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Populations that experience exponential growth have unlimited sources. A population can not continue to grow
exponentially indefinitely. Eventually, the population of a species will reach their limit. What curve will occur when a
population has reached this limit and what are some possible reasons for this curve shape?
PLSSS HELPPP

Answers

Answer:

Carrying capacity

Explanation:

Carrying capacity is the limit to which a population can grow with the resources (food, water, oxygen, habitat space, etc.) are available to support them. Once they reach the maximum population that the environment can support, they reach their carrying capacity.

The cell membrane is ----------in nature
a. Highly permeable b. normally permeable c. not permeable d. partially permeable

Answers

Answer:

d. partially permeable

Explanation:

The cell membrane is the cellular organelle that covers and bounds all cells. It forms a boundary around a cell, protecting all other organelles. The cell membrane, according to the FLUID MOSAIC MODEL, contains phospholipid bilayer, proteins etc.

The phospholipid (lipid) content of the cell membrane confers its ability to be SELECTIVELY OR PARTIALLY PERMEABLE upon it. It is said to be partially permeable because it allows the passage of some molecules/substances and blocks the passage of others.

A plant breeder is trying to increase the medicinal quality of belladonna (Atropa belladonna), which is derived from atropine, an alkaloid in the roots. Her previous research indicates that about 55% of atropine variation is due either to environmental factors (e.g., soil conditions or rainfall), or to genetic dominance and genetic interactions. If the average plant has 10 units of atropine and our breeder selects for plants with an average of 50 units of atropine, what will be the average amount of atropine in the new population

Answers

Answer:

The average amount of atropine in the new population will be 32 units of atropine.

Explanation:

To answer this question, we need to remember how can we calculate the selection differential and the heritability in the narrow sense.

• We can get the selection differential, SD, by getting the difference between the mean value of the population´s units of atropine, PoUA, and the mean value of the parents´ units of atropine, PaUA. So, in this example the selection differential is:

SD = PoUA - PaUA    

SD = 10 - 50  

SD = - 40    

• The heritability in the narrow sense, h², for units of atropine in the population is

h² = units of atropine of the offspring average/selection differential

But we already know the value of h² = 55% = 0.55. And we want to know the units of atropine of the offspring. So we just need to clear the following equation.

OUA = PoUA + h² ( PaUA - PoUA)

where,  

• offspring average units of atropine = OUA

• population average units of atropine = PoUA = 10 units

• parents average units of atropine = PaUA = 50 units

• Selection diferential = SD = -40 units

• narrow sense heritability = h² = 0.55

OUA = PoUA + h² ( PaUA - PoUA)

OUA = PoUA + h² (SD)

OUA = 10 + 0.55 x ( 50 - 10)

OUA = 10 + 22

OUA = 32 units.  


Which of the two parts of the light microscope magnify image of an object?​

Answers

Answer:

eye piece lense

objective lens

discuss the characteristics of phylum mollusca​

Answers

Answer:

The body is soft and unsegmented. Body is divisible into three regions – head, a visceral mass, and ventral foot. Body is covered by a mantle and shell. They can be found in different habitats, both aquatic and terrestrial.

The picture below shows the nervous system sending electrical signals that stimulate the release of molecules.

molecules.
This picture best illustrates how —

mechanical energy in the body can be transformed into light energy.
chemical energy in the body can be transformed into potential energy.
chemical energy in the body can be transferred to light energy.
electrical energy in the body can be transformed into chemical energy.

Answers

Answer:

electric to chemical

Explanation:

sorry for being rude the other day. that is the real answer im learning about it now

how would planting more biodiversity be better for ecosystems? and how would it be better for farmers?

Answers

answer:

biodiversity provides functioning ecosystems that supply oxygen, clean air, and water, pollination of plants, pest control, wastewater treatment, and many ecosystem services. seeing as how biodiversity is the basis of agriculture and our food systems. agricultural biodiversity also performs ecosystem services such as soil and water conservation, maintenance of soil fertility, conservation of biota, and pollination of plants, all of which are essential for food production and for human survival.

good luck :)

hopefully this helps

sorry i couldn't help sooner

have a great day !!

Ileana crossbreeds two purebred plants, one with dark blue flowers and one
with white flowers. Weeks later, she discovers that all of the offspring have
dark blue flowers. Ileana determines the

A. white flower allele is dominant
B. white flower allele is not inherited
C. dark blue allele is recessive
D. dark blue allele is dominant

Answers

Answer:

D

Explanation: it is dominant because the plants didnt show and white

The diagram below shows three families. Which set of parents has the highest fitness?

A
the parents of the single child

B
the parents of two children

C
the parents of the big family

Answers

Answer:

C. the parents of the big family

Explanation:

In biology, an organism that produces as much offspring is said to have a higher fitness compared to its counterpart. It is said to be biologically fit than the rest.

Therefore, in the same vein, the parents that has the biggest family is the most biologically fit of the three families.

Plastics are made from oil/petroleum and have both benefits for society and harmful effects on the environment
True
False

Answers

Answer: It is True I just took the test

Explanation:

Describe how the movement of water landforms form

Answers

Answer:

The moving of water causes erosion, deposition and much more!

Explanation:

Water moving across the earth in streams and rivers pushes along soil and breaks down pieces of rock in a process called erosion. The moving water carries away rock and soil from some areas and deposits them in other areas, creating new landforms or changing the course of a stream or river.

a) january
b) june
c) april
d) october

Answers

Answer:

april

Explanation:

FUN FACT: my b-day is april 11th

What sort of receptor do skeletal muscle cells use to receive signals from somatic lower motor neurons?
a. Nicotinic
b.Muscarinic
c.Adrenergic
d.Mechanoreceptive calcium channels

Answers

Answer:

C

Explanation:

Skeletal muscle cells use Adrenergic receptor to receive signals from somatic lower motor neurons ; ( C ) Adrenergic

Skeletal muscles are organs of the muscular system found in vertebrates. they are attached to the skeletal bones through tendons. they all posses the longest of all muscles cells as well.

Skeletal muscles receive signals from somatic lower motor neurons through the Adrenergic receptor found in all cell and tissues .

Hence we can conclude that skeletal muscle cells use Adrenergic receptor to receive signals from somatic lower motor neurons.

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what is the function of a membrane protein ​

Answers

Answer:

Membrane proteins can allow hydrophilic molecules to pass through the cell membrane.

Explanation:

Answer:

Explanation:

Membrane proteins are common proteins that are part of, or interact with, biological membranes. Membrane proteins fall into several broad categories depending on their location. Integral membrane proteins are a permanent part of a cell membrane and can either penetrate the membrane (transmembrane) or associate with one or the other side of a membrane (integral monotopic). Peripheral membrane proteins are transiently associated with the cell membrane.

A fruit fly has a recessive allele for no eyes (e). Two heterozygous fruit flies with eyes are crossed. What is the total number of different genotypes possible among their offspring?
A. 1
B.3
C.4

Answers

Answer:

C

Explanation:

What sphere refers to water and ice?
a. atmosphere
b. hydrosphere
c. lithosphere
d. biosphere

Earth's outermost sphere is called the
a. biosphere.
b. atmosphere.
c. lithosphere.
d. hydrosphere.

What part of Earth contains rocks?
a. Biosphere
b. Hydrosphere
c. Atmosphere
d. Lithosphere

What of Earth's spheres is composed of a mixture of gases?
a. mesosphere
b. hydrosphere
c. atmosphere
d. biosphere

What is Earth's hydrosphere?
a. the gases in the air
b. the solid, rocky part of Earth
c. all of the water on the planet
d. the study of Earth's atmosphere​

Answers

1) It should be the crysophere but since it is not I am not sure I am going to with hydrosphere
2)B
3)D
4)C
5)C

sam enjoys looking at the stars through his telescope he learns that start were originally clouds made of dust and gasses which statement best describes how these clouse eventually become stars

A. The clouds eventually collapse the force of gravity

B. The clouds increase in temperature until they eventually form a solid

C. The clouds contain particles that are magnetically attracted to each other

D. The clouds begin to cool and fort from masses of ice that eventually fuse together

Answers

Answer: A

Explanation:

The statement which best describes how the clouds eventually become stars is that— “The clouds eventually collapse under the force of gravity”. Hence, the correct option is A.

What are stars?

Star are huge celestial bodies that are formed by the vast clouds that exist in interstellar space. These clouds are mainly composed of hydrogen and helium gas as well as small amounts of heavier elements such as carbon, nitrogen, and oxygen.

Overtime, the clouds begin to collapse under their own gravity and as they do, they become denser and more compact. As the cloud collapses, it begins to spin and then flattens into a disc-like shape. This disc becomes the birthplace of new stars.

The process of star formation is not simple and straight forward. Hence, the first step of formation of stars is the cloud collapses under its own force of gravity. Therefore, option A correct.

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Using the law of superposition and the principle of cross-cutting relationships, which of the layers of rock in this image is younger than layer C and closest in age to layer C?
A: Layer A
B: Layer E
C: Layer D
D: Layer B

Answers

Answer:

D. Layer B

Explanation:

The correct answer is Layer B.

The law of superposition actually states that the sedimentary rock unit is at the bottom while the the youngest rock is at the top.  The principle of cross-cutting relationships states in layers of rocks, a fault or intrusion that cuts through rock layers is younger than the rocks that it cuts through.

Layer B was actually formed after Layer C. This makes Layer B younger than Layer C and closest in age to Layer C. The intrusion, Layer D is the youngest of all.

Answer:

b

Explanation:

What observation supports the claim that earth rotates

Answers

Answer:

The most direct observational evidence for Earth's orbital motion is the apparent shift of nearby stars after six months, as the Earth moves from one side of its orbit to the other. Because of the large distance to even the nearest start, this parallax shift is too small to been seen without a telescope.

Answer:

The most direct observational evidence for Earth's orbital motion is the apparent shift of nearby stars after six months, as the Earth moves from one side of its orbit to the other. Because of the large distance to even the nearest start, this parallax shift is too small to been seen without a telescope.

Explanation:

Hope this helped! <3

plesss help me I'm in die mode right now ples helpp​

Answers

Answer:

The last one- both yeast show increasing growth at increasing temperature of 25 or less

Explanation:

The other 3 arent true from what the graph shows. and after 25 they grow/fall at differnet rates.

True or false? A purebred plant has a heterozygous genotype.
Please help

Answers

Answer:

false. :D

Explanation:

It is h o m o zygous (apparently that is a bad word haha )

PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

Answers

The answer is C. Good luck

Answer:

radioactive dating

Explanation:

It's the same thing as radiometric dating

Food webs in ecosystems become very complicated very fast. Explain why.

Answers

Answer:

Food webs are more complex than food chains, yet equally as useful in understanding the processes of ecological communities.  A food web shows the flow of nutrients between different types of organisms which can help us understand the energy transfer as described before.

Explanation:

Food webs in an ecosystem involves the combination of two or more food

chains. This involves all the relationship an organism has with the others.

This makes the food web complex.

Food webs have different types of organisms present which ranges from

plants which are regarded as the primary producers to animals such as Lion

which can be regarded as a Secondary/tertiary consumer in the ecosystem.

The occasional change in the geography and seasons in the ecosystem

also makes it very complex as some animals exhibit different traits when

subjected to certain conditions. This makes analysis of energy flow and relationship sketchy to determine.

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Sally, 9-year-old girl, just did an awesome backflip on her trampoline. Instead of landing in a similarly awesome manner, she miscalculated and landed on her neck. Sally stood up with pain in her neck and does not appear to be able to extend her left arm very well. An x-ray shows a fracture of her C6 vertebrae that is compressing down on her C7 vertebrae impacting the spinal nerve located between C6 and C7 vertebrae. Which spinal nerve did Sally likely injure

Answers

Answer:

The C7 spinal nerve

Explanation:

The C7 spinal nerve exits on each side through the intervertebral foramen between the C6 and C7 vertebrae. The C7 spinal nerve has both a sensory root which is composed of sensory fibers and a motor root. This nerve is required to control motor functions including shoulder movement (i.e., adduction, abduction and rotation). The C7 dermatome is a region of skin that receives sensory inputs from the C7 spinal nerve.

Plsss help me this due is tonight plsss

Answers

Explanation:

whatever the trait is, I'm just going to use tall as an example

1. phenotype=

Tall: Short

4:0

2.phenotype=

Tall: Short

4:0

3.phenotype=

Tall: Short

4:0

4.phenotype=

Tall: Short

3:1

5.phenotype=

Tall: Short

2:2

define carbonization​

Answers

Answer:

It is the conversion of organic matters such as plants and animals remains into carbon through destructive distillation.

Answer:

carbonization is the term for the conversion of an organic substance into carbon or a carbon- containing residue through phrolysis or distructive distillation.

Explanation:

It can be carbonized extremely quickly, turning it into solid carbon

How do diet and weigh loss companies use bias to sell their products

Answers

Because they prolly think they would have lots of sake because of them
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