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mina [271]
3 years ago
11

Which statement best describes how abiotic factors differ in an estuary

Biology
1 answer:
elena55 [62]3 years ago
7 0

Answer:

An estuary has changing salt levels  

Explanation:

A river is a large stream of water often winding from a source from a higher elevation flowing out to the sea. An estuary is the area where the river and the tides of the ocean come together.

The salinity of the estuary will depend on many factors and can change in time. First factor is the location of the estuary, these may be positioned where there is a varied amount of fresh water flowing in and the tides may or may not freely flow in and out.

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3. List three other types of evidence that plants existed in Antarctica. (besides that there were plant fossils found)
GalinKa [24]

The three evidence that support the existence of plants on Antarctica are:

- Climate;

- Pollen;

- Herbivorous animals;

Apart from the plant fossils found on Antarctica, there are few other evidence that suggest that plants existed in the past on the now frozen continent. Some of those evidence for the existence of plants on Antarctica are the pollen found in the rocks and fossils of organisms, the climate records, as well as the herbivorous animals.

The pollen is only released by the plants, thus that is a sure indicator that plants were occupying this part of the world.

The climate records on Antarctica that can be seen in the rock layers, suggest that for most of its existence, Antarctica had a warm and wet climate, which is perfect conditions for the plants to thrive.

The herbivorous animals are feeding themselves on plant material, so since there's fossils of herbivores in Antarctica, it for sure is an evidence that there were plants existing in order for them to feed and be able to live in there.

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3 years ago
The circulatory system includes the blood, blood vessels (e.g. capillaries), and the heart, which pumps blood through the blood
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5 0
4 years ago
What is the complementary RNA sequence for the following segment of DNA? ACC TAG CGA Question 6 options: ACC TAG CGA UGG AUC GCU
RUDIKE [14]

RNA is a single-stranded molecule, which is made up of similar composition as DNA. RNA differs from DNA in the nitrogenous base as it has uracil in place of thymine.

<h3>What is the complementary RNA sequence?</h3>

  • A complementary sequence refers to the copy of the strand or template strand of the RNA. The complementary strand will be the copy of the original strand.

  • In the complementary base pairing, guanine will be complementary to cytosine and adenine to uracil.

  • In the given sequence of RNA, ACC TAG CGA, the complementary sequence formed will be UGG AUC GCU.

Thus, the complementary sequence will be UGG AUC GCU.

Learn more about <u>RNA </u>here:

brainly.com/question/14363679

5 0
3 years ago
Gizmo Warm-up A population is a group of individuals of the same species that live in the same area. The size of a population is
Dominik [7]

Answer:

The initial size of the population of rabbits is 40 rabbits.

Explanation:

By finding the complete question online and using the simulation provided with it, It is evident that there are 40 rabbits at the start of the simulation.

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