Select the correct sequence of animal developmental events
a. fertilization ? cleavage ? gastrula ? blastula
b. fertilization ? cleavage ? blastula ? gastrula
c. fertilization ? blastula ? cleavage ? gastrula
d. fertilization ? gastrula ? blastula ? cleavage
e. fertilization ? blastula ? gastrula ? cleavage
ANSWER: b
You might also like to view...
The direction of water movement across a cell membrane is determined in part by:
A. the presence of transporter molecules. B. the levels of ATP in the cell. C. the concentration of solutes inside and outside the cell. D. the pressure gradient existing between the inside and the outside the cell E. the concentration of solutes and the pressure gradient existing between the inside and the outside the cell.
In regards to altruism, what way are humans like vampire bats?
A. Their altruism is based on haplodiploidy. B. They are both Chiroptera. C. Their altruism is based on kin selection. D. They engage in reciprocal altruism. Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about altruism? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The most common kind of dispersion in nature is
A) clumped. B) random. C) uniform. D) indeterminate. E) dispersive.
The specific amino acid sequence of a protein is its ________.
A. primary structure B. quaternary structure C. tertiary structure D. secondary structure