The most diverse archaeplastida group is composed of ____
a. red algae
b. brown algae
c. diatoms
d. green algae
e. charophytes
ANSWER: d
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When two Aa glyptodonts mate, what percentage of their offspring would you expect to have yellow shells?
a. 0% b. 25% c. 50% d. 100%
In C3 plants, the __________ are typically closed at night and open during the daytime to allow for gas
exchange. a. stomata b. epidermis c. spongy mesophyll d. grana e. cuticles
The ultimate goal of the male reproductive system is to
A) ensure that sperm is produced at the correct time, coinciding with ovulation. B) deliver sperm into the female's reproductive system. C) produce testosterone to influence gender development. D) produce large numbers of sperm. E) maintain the homeostatic condition of the male's body.
Why would gene duplication events, such as those seen in the Hox gene complex, set the stage for adaptive radiation?
A) There are more copies of genes, meaning speciation had occurred by polyploidy. B) The original gene copy is the outgroup, and the new gene copies are the adaptive radiation. C) Without duplicated genes, species would be vulnerable to extinction. D) One copy of a gene can perform the original function, while other copies are available to take on new functions.