Answer:
Algae i believe
Explanation:
I say this because the earliest animal is comb jelly
Adenohypophysis, and nerohypophysis.
Explanation: Adenohypophysis (anterior lobe) derived from buc cal ectoderm. Nerohypophysis (posterior lobe) is also called pars nervosa derived from neural ectoderm.
For one so plants can produce the oxygen we need to breath
<span>since water is a Liquid it can be in a beaker or test tube but you need a thermometer if a beaker you use a hot plate if test tube you use a Bunsen burner</span>