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Dafna1 [17]
3 years ago
5

What is the vertebrate ancestor to all tetrapods?

Biology
1 answer:
bekas [8.4K]3 years ago
3 0

Answer:

In a strict evolutionary sense, all tetrapods are essentially “limbed fish,” because their ultimate vertebrate ancestor is a fish. All tetrapods share a variety of morphological features.

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Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?
kolezko [41]

Ans.

Diffusion, osmosis, and active transport are mechanism of cellular transport that involves movement of molecules through plasma membrane. Diffusion shows movement of small, hydrophobic particles without the help of protein molecules through cell membrane along the concentration gradient.

Osmosis involves movement of water molecules against concentration gradient (from an area of high solvent concentration to an area of low solvent concentration) through cell membrane.

Active transport shows movement of particles, against the concentration gradient, means from a region of higher to lower concentration of molecules through cell membrane. It involves transport through membrane proteins.

Thus, the part of cell, which is affected by the movement of molecules through osmosis, diffusion, and active transport is cell membrane or plasma membrane.

7 0
3 years ago
Each species of yucca plant is pollinated exclusively by one
Olegator [25]

Answer:

Relationship between Yucca plant and Yucca moth is OBLIGATE MUTUALISM.

Explanation:

Obligate mutualism- The mutual relationship between two partners where both partners are benefited by each other and can not survive without each other.

In case of Yucca plant and Yucca moth,they cannot survive without each other.Yucca moth larvae feed on seeds of Yucca plant and Yucca plant have a single pollinator i;e, Yucca moth. Yucca moth collects pollen from anther and fly to another flower and transfer that pollen to other flowers stigma. In this way they transfer the pollen , usually they make a hole in the ovary to lay eggs and directly transfer pollen to the inside of the stigma.

After laying eggs they mark it with some special kind of pheromone which alerts other moths not to lay egg inside the same flower or lay some eggs not much. So that they can be protected inside the flower and can be developed well.

6 0
3 years ago
7. How did Annie Jump Cannon lose her hearing?​
Naily [24]

Answer:Anne Jump had a cold which caused her to be deaf.

Explanation:Every year she could hear lesser until one day she recognized that she can't hear , but to read peoples lips .

8 0
3 years ago
A leech is an example of a _______.<br><br> prey<br> host<br> predator<br> parasite
Mila [183]
A leech is an example of a parasite
6 0
3 years ago
If the theory of evolution were true it would not be possible to classify organisms into distinct categories.
Alenkinab [10]
TRUE!!!! Idk if this answer is actually for a quiz, but for my opinion and belief, it would be impossible to classify animals and organisms if all of this came from an accident. If this question is for a quiz though, I assume that they will expect you to say False. Mostly to defend their belief. So it's really up to you on what you're gonna go with.
7 0
3 years ago
Read 2 more answers
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