Only the last one provides an actual evidence of having a common ancestor. The rest can be a result of living in a similar environments that makes life easier. For example, many species live next to water, as water provides more fertile ground for plants, and they might have similar behaviors (searching for water) but they might not be closely related.
so the correct answer is D.
Answer:
10 % of the energy. This efficiency of energy transformation is high
Explanation:
The correct answer is letter A, Feces. A doctor must order a fecalysis, a procedure that checks the compounds that are found within the stool. This way the doctor would know if something is wrong with the patient's intestines and other digestive organs.
A little trick i learnt: The atomic number reflects how many electrons there are, and there must be an equal charge. therefore, there are the same amount of protons as there are electrons. so if it has 81 protons, we look for number 81 in the periodic table, Thallium
Answer:
cell wall
Explanation:
Animal cells do not have a cell wall
