Which the following does not occur in the egg following fertilization?
a. Meiosis II is completed.
b. Microtubules are formed.
c. Calcium concentrations increase.
d. The acrosomal reaction occurs.
e. The cortical reaction occurs
D
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Following a disturbance, the process by which species replace each other over time is called ____
Fill in the blank with the appropriate word.
Based on the phylogeny shown, which species is not a tree but has seeds?
A. Psaronius
B. ginkgo
C. fern
D. rose
E. oak
F. pine
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
· What key words does the question contain and what do they mean?
Gather Content
· What do you already know about cladistics?
Consider Possibilities · What other information is related to the question? Which information is most useful?
Choose Answer
· Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
Reflect 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?
A smooth pattern of variation along a geographical gradient is referred to as a ____
a. ring species b. hybrid zone c. morphological species d. cline e. cluster of subspecies
Which of the following best describes a dead cell as a system?
a. It is a closed system that exchanges energy with its surroundings. b. It is an open system that exchanges energy with its surroundings. c. It is an isolated system that does not exchange energy or matter with its surroundings. d. It is a closed system that