Which of the following is mismatched?

A) xylem-conducts water up from the soil
B) phloem-transports organic nutrients
C) vascular tissue-consists of xylem and phloem
D) vascular plants-sporophyte is dominant
E) sporophyte-haploid

The ____ controls basic drives such as hunger, sex, and thirst.

A) cerebrum
B) pons
C) cerebellum
D) thalamus
E) hypothalamus

Increased strength of a trained muscle is due to

A) an increased number of muscle fibers.
B) the nervous system's ability to recruit a large number of motor units simultaneously.
C) elimination of unnecessary enzymes and metabolic pathways.
D) elimination of all adipose tissue.
E) elimination of unnecessary connective tissue.

A large amount of adipose tissue accumulates in the ________.

A) greater omentum
B) lesser omentum
C) coronary ligament
D) sigmoid mesocolon
E) visceral peritoneum

Which of the following is an incorrect match between animal and eye type?

A) flatworms-light-sensitive spots
B) insects-compound eye
C) scallops-light-sensitive spots
D) cephalopods-camera eye

While it is very difficult to find fossils of the earliest cells, there are some probable early cell characteristics. Four of the five answers represent possible traits that the first cells may have had. Select the exception.

A) prokaryotic
B) autotroph
C) aerobic
D) anaerobic
E) heterotroph

Free radicals cause aging because

A) they collect in the organs and skin, forming large molecules that interfere with organ function.
B) they donate electrons to molecules that are nearby, like DNA and proteins, causing damage to the molecule.
C) free radicals combine together and attack DNA.
D) free radicals combine with oxygen, reducing the functionality of the mitochondria.
E) they speed up metabolic processes, causing the organs to wear out faster.

The olfactory bulbs have a direct connection with what part of the brain?

A) limbic system
B) pons
C) medulla
D) brain stem
E) temporal lobe