Which characteristic shows discontinuous variation in humans?
Length of foot
Height
Weight
Tongue rolling

Answers

Answer 1

Answer:

length of foot

Explanation:

L

E

N

G

T

H

O

F

F

O

O

T


Related Questions

True or False: When a biotic factor dies, the molecules within that
organism enter into the nutrient cycle.

Answers

Answer:

Explanation:

True

When a biotic factor dies, the molecules within that organism enter into the nutrient cycle is a true statement.

Biotic factors:

There are two factors in a living system. Biotic and abiotic. all living organisms are biotic components. Plants, animals, and other living components are biotic components. Air, water, and sunlight are abiotic components.

Biotic and abiotic components together make the nutrient cycle. When biotic components die their molecules enter the nutrient cycle. Microorganisms act on the biotic component when they die.  

They release carbon, hydrogen, and other molecules into the atmosphere when they die.

Therefore, When a biotic factor dies, the molecules within that organism enter into the nutrient cycle is a true statement.

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What is a eukaryote?

Question 2 options:

organism that does not have a nucleus


organism that does have a nucleus


organism that produces its own food

Answers

Answer:

an organism that has a nucleus

Explanation:

What is a eukaryote?

1 organism that does not have a nucleus

2 organism that does have a nucleus<<

3 organism that produces its own food

4 organism that is ancient

Two species benefit from interaction with each other

Example: A hummingbird gets food from the nectar of a flower and then spreads the nectar’s pollen, helping the flower reproduce.


: One species benefits from the interaction, and the other species is harmed but not necessarily killed

Example: Ticks feed on other animals’ blood, which can hurt the other animals.


: One species benefits from the interaction, and the other species is neither helped nor harmed

Example: Egrets rely on cows to stir up dirt and bring food to the surface, but cows do not benefit.

Answers

Answer:

The answers are mutualism,parasitism,and commensalism

Explanation:

these are correct on edge

Answer:

1. mutualism

2. parasitism

3. commensalism

Explanation:

hope this helps :)

During translation small organelles called __ read the mrna sequence ?

Answers

Answer:

thjs may be wrong but I am not sure ribosomes

PLEASE HELP ONLY 5 mins left!!!!
Looking at the following template strand of DNA below, what would that mRNA molecule
look like?
DNA: TAC AGGT T C CAT
A.TACAGGTTCCAT
B. AUGUCCAAGGUA
C. UTGTCCUUGGTU
D. UACAG GUUCCAU

Answers

B. AUGUCCAAGGUA.

hope this helps sorry if too late

Describe the difference in pressure agaisnt your cheeks when they are full of air versus when its released

Answers

The pressure is more present when full with air as you’re holding them to expand the area to let more air in. That’s my quickest response.

Put the steps of cloud formation in order. 1 should be the first step and 4 will be the
last step.

Rising air currents organize into "thermals"

Sunlight warms the surface and water evaporates

Warm, moist layer builds up between 1000 and 5000 feet

Water vapor in rising air parcels condenses to form clouds

Answers

1. Sunlight warms the surface and water evaporates.
2. Warm, moist layer builds up between 1000 and 5000 feet.
3. Rising air currents organize into “thermals”
4. Water vapor in rising air parcels condenses to form clouds.

The correct order in cloud formation include the following:

Sunlight warms the surface and water evaporates.Warm, moist layer builds up between 1000 and 5000 feet.Rising air currents organize into “thermals”Water vapor in rising air parcels condenses to form clouds.

What is Cloud?

They are generally formed high above the ground and are a visible mass of condensed watery vapour floating in the atmosphere.

The correct order in cloud formation can be seen above and is the most appropriate choice.

Read more about Cloud here https://brainly.com/question/1783904

ANSWER QUICK!!

One of the bacteria in Model 1 has a tail-like structure.
a) What is the structure called?
b) What might be the purpose of this structure?
c) Based on your answer of the previous question, what might you infer about the absence of this structure in the other two bacteria cells?​

Answers

From the bacterial model:

(a) the tail-like structure is known as the flagellum (plural, flagella)

(b) The primary function of the structure is to aid movement. It is moved in a whip-like version to propel the organism.

(c) Based on the absence of of flagellum in the other two bacteria, it means that they are not motile.

The presence of flagellum in bacteria is an indication that such bacteria are motile. The thread-like structure is whipped randomly in order for the organism to move and the absence of it in an bacterium is an indication that such a bacterium is not motile.

More on bacterial motility can be found here: https://brainly.com/question/23021688

what is fibre and it types​

Answers

Answer:

Fibre is the indigestible parts of plant foods, such as vegetables, fruits, grains, beans and legumes. It is type of a carbohydrate that helps keep our digestive systems healthy. 

Describe gastrulation. Why are the three layers important in development?​

Answers

Explanation:

Cells in each germ layer differentiate into tissues and embryonic organs The ectoderm gives rise to the nervous system and the epidermis, among other tissues

17.) Which of the following statements is FALSE about mutations?
a. They are almost always harmful
b. They can be caused by exposure to radiation
C. Some mutations can be beneficial
d. They change the genetic code by inserting, deleting, or substituting bases

Answers

i believe the answer is a

Select all that apply. Head lice are tiny organisms that can be found on

the eyebrows.

the eyelashes.

the top of the head.

the lips.

the ears.

Answers

I think 1 and 3 but don’t count me

Answer:

1,2,3

Explanation:

Edg 2021

Question 13
What is condensation? Describe a way in which it can affect Earth systems.
12pt v
Paragraph
IB в I o Ауду т?у а

Answers

Answer:

Condensation is a process in which water vapors changed into liquid state.

Explanation:

Condensation is a process in which water that is present in the vapors form changed into liquid state. Condensation greatly affect Earth systems because this process is responsible for the precipitation on the earth. Condensation occurs in the atmosphere when warm air rises in the atmosphere, cools and unable to hold water vapor. As a result, water vapors condenses to form cloud droplets that falls in the form of rainfall.

What scientist discovered the process of transformation?

Answers

Answer: Fred Griffith

Explanation: :)

hello help please i’ll mark brainliest!!!

Answers

Answer: The answer is A

The moon has moved past the 1st quater and is heading to the full moon

Answer: Than answer to this question is C

Explanation: The waxing gibbous moon is the last phase before the next full moon.

BT crops are developed by adding traits from which of the following organisms?


phytoplankton

bacteria

viruses

superweeds

Answers

Answer:

bacteria

Explanation:

'Bt' crops are genetically modified crops that contains a certain gene of a bacteria called Bacillus thuringiensis. The name of this GM or transgenic crop was coined from the bacteria used.

The gene coding for the toxic traits of the bacteria are added into Bt crops e.g cotton, hence, the crops become resistant to pest attack. Therefore, according to this question, BT crops are developed by adding traits from BACTERIA.

where are protein channnels that are used during facilitated duffusion loacated

Answers

Answer

Facilitated diffusion is the diffusion

Explanation

Facilitated diffusion is the diffusion of solutes through transport proteins in the plasma membrane

Hope this helps :-)


1. What is the contour interval on this map?

Answers

Answer:

100 is the contour interval of this map

What is active transport in your own words

Answers

Active transport is the movement of all types of molecules across a cell membrane against its concentration gradient.

Answer:

the movement of a chemical substance by the expenditure of energy against a gradient in concentration

Explanation:

write a different living and nonliving things found in rainforest mangrove swamp and coral reef ecosystem​

Answers

IN RAINFOREST:-

living things are:-

trees plantshrubsfernsbeers deersbirds insects frogs

non living things are:-

water rain temperature soilairrocksIN CORALS REEFS:-

living things are:-

fishes coralsmosssea turtlesseaweedslobster

non living things are:-

rock sunlight sandtemperature IN MANGROVE SWAMP:-

living things are:-

crocodile monkeyslizardsmicrograms

non living things are:-

sunlight temperature flooding

hope it is helpful...plz mark it is brainliest.

A housefly has 12 chromosomes, is it a gamete or a somatic cell?

Answers

Answer:

Explanation:

If a housefly cell had 12 chromosomes, then it would be a gamete or a somatic cell (circle one). If a human cell had 23 chromosomes, then it would be a gamete or a somatic cell

please answer all the three questions​

Answers

Answer:

1. Birds have feathers of different colours.

2. Woodpeckers have long beaks.

3. Sunbird is a non-migratory bird.

or

3. Sunbird is sedentary bird.

Explanation:

hope this helps and is right :)

p.s. i really need brainliest.

What 3 letters on mRNA is used for the start codon?

Answers

Answer:

The codon AUG, commonly known as the start codon, specifies the amino acid methionine. As a result, during protein synthesis, methionine is the first amino acid to dock in the ribosome.

OAmalOHopeO

What 6 elements make up all lifeforms on earth?

Answers

Explanation:

oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus.

Sections of a chromosome that code for a trait are called what?

Answers

Answer:

genes ( tell me if I am wrong thx! )

Explanation:

What is the possible effect of high nutrient levels
In water systems

Answers

Answer:

D. Healthier Fish

Explanation:

how did early cells get their food

Answers

Answer:

Through photosynthesis, organisms could use sunlight to make food from carbon dioxide and water.

They provided food for themselves

Explanation:

The reticular activating system is part of the____?

Answers

Answer:

Reticular activating system (RAS)

Explanation:

Answer:

midbrain

Explanation:


What is needed for a fossil to form? Select all that apply.

1. The organism must first get stuck in rock.

2. The soft tissue of the dead organism must be eaten by scavengers before the bones can be preserved.

3. The tracks or burrows of an organism must be filled with sediments before they are disturbed.

4. The organism's body must be covered by sediment or another substance before its body decays.

Answers

I like 4 the best. If an organism is covered by sediment before the body decays the sediment can harden around the decaying body and the imprint will be preserved in the hardened sediment.

The correct answer is:The organism's body must be covered by sediment or another substance before its body decays.

What is the explaining statement for the same ?

Explanation: For a fossil to form, the organism's body must be rapidly buried in sediment, ash, or another substance before it can decay or be eaten by scavengers.

Over time, the minerals in the surrounding sediment or substance can replace the organic material in the bones, forming a fossil. Tracks, burrows, and other trace fossils can also form when sediment or another substance fills in the impressions left by an organism before they are disturbed.

Getting stuck in rock is not necessarily a requirement for fossilization, as fossils can also form in sedimentary rock or other types of rock.

Lack of oxygen: Decay requires oxygen, so organisms are more likely to fossilize in environments where oxygen is limited or absent, such as in deep water, bogs, or quicksand.

Low acidity: Acidic environments can dissolve bones and other hard parts, so fossils are more likely to form in environments with neutral or basic pH levels.

Lack of disturbance: Fossils are more likely to be preserved if they are not disturbed after burial. For example, if an organism's body is exposed to air or water before it can be buried, the bones may be scattered or destroyed.

Overall, fossilization is a rare and complex process that requires a combination of specific conditions to occur. As a result, the fossil record provides only a partial and biased glimpse into the history of life on Earth.

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explain how pH and temperature can affect enzyme activity
Please help has to be due in 20 mins. Thank you for helping me.

Answers

Answer:

Enzyme activity depends on many factors such as Substrate concentration, enzyme cofactor, enzyme inhibitors, pH, and temperature. pH and temperature are two important factors that directly affect the activity of an enzyme as follows:

1. pH

Each enzyme has the specific optimal pH that allows it to perform its function to its fullest. The enzymes are the protein made up of the interaction of the hydrogen bond in the side chain of the protein. if there is any change from optimum pH, the enzyme activity decreases until it stops working.

2. Temperature:

Each enzyme has its own optimal temperature. Any modification or change in temperature results in the activity of an enzyme, and it also leads to the denaturation of an enzyme as it is made up of protein.

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