Answer:
Homeostasis is unicellular organism depends on the proper functioning of organelles
Answer:
A) Apoptosis, or the automatic death of a cell.
Explanation:
This is because the question asks what mechanism ensures/confirms the purpose of the mechanism where a cell prevents damaged cells from continuing to divide if it suffers DNA damage. In other words, how do we know the intent of the cell preventing damaged cells from continuing to divide is to prevent DNA damage? Well, it's apoptosis, which can be triggered if there is too much DNA damage.
Plants can synthesize all twenty amino acids. Humans must eat plants or animals to obtain some of these amino acids. Proteins are broken down into pieces when human eat it. This helps in providing proper metabolism to the system.
Answer:
D
Explanation:
Hope this helps you complete your question :)
Complete question: A phylogenetic tree shows that birds and crocodiles share many features. A hypothesis based on this tree predicts that these features are present in a common ancestor. Which of these predicted traits is supported by fossil evidence?
A) four-chambered heart
B) singing for territory
C) eggs and nests
D) singing to attract mates
Answer: (c) eggs and nests
Explanation:
A hypothesis based on phylogenetic tree shows that birds and crocodiles have ancestral connection. Fossil evidence shows that their common ancestor exhibit oviparity as a means of reproduction (i.e. laying of eggs and embryo develops within the egg), and also housed their eggs in the nest for protection against predators and other important reasons.