Q: What are colonies of cells stuck to a surface called? Choices: - membranes - cellular coating - membranes - biofilms A:
biofilms

(Question)
Q: What thickens the cortex around the inner edge of a cell? Choices: - mitochondria - vacuoles - plasma membrane - microfilaments A:
(Answer)
microfilaments

Ques: Q: Life on earth is carbon-based. organisms need not only energy but also carbon ________ for building bodies? Choices: - monoxide - ions - crystals - atoms A:
Ans: atoms

(Q).
Q: What type of fertilization usually occurs in aquatic environments where both eggs and sperm are released into the water? Choices: - static - material - Internal - external A:
(A).
external

Ques:Q: What did darwin call the evolutionary concept of change in populations over generations? Choices: - formation with modifications - reproduction with modifications - metabolism with modifications - descent with modifications A:

Ans:descent with modifications

Question: Q: What evolutionary concept characterizes a species by body shape and other structural features? Choices: - geologic species concept - spontaneous evolution theory - primary speciation - morphological species concept A:
Answer:
morphological species concept