It is believed that this happens because some signals that regulate development are the same between different species and because <span>they share ancient genes. </span>These ancient genes are expressed during a middle "phylotypic stage" of embryonic development for all species.
For example, human and animal embryos go through very similar stages of early development and share similar features such as tails and gill-like structures. The major difference appears to be how long it takes to reach each of these same stages.
Living and nonliving factors
Atoms are not composed of <u>xenons.</u>
Answer:
troposphere should be correct
<h2>
Answer</h2>
The structure that is present in both plant and bacteria is the Cell Wall
<h2>
Explanation</h2>
Cell wall presents outside the plasma membranes to protect the cells. It is only present in plants bacteria. It is The cell wall is As made up of cellulose, it gives support and flexibility to cells. In bacteria, it plays an important role to protect it from the external stress and gives specific shape. In both organisms, The cell wall also contains pores to enable the movement of food particles in or out of the cells. If it is not present in their outer surfaces, the much entrance of particles or other related compounds may lead to cell brust.
