The carrying capacity for a specific population remains constant
a. True, this represents the number of individuals that the environment can support.
b. False, this does not represent the total number of individuals that an environment can
support.
c. True, each year some organisms die and others are produced.
d. False, habitats and environments are not constant, unchanging entities
D
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Which type of homology does this typify?
When humans are developing, in utero, they have characteristics that are not found in the fully developed infant. Gill slits are one example of these characteristics. A. Developmental. B. Structural. C. Vestigal. D. Molecular. E. Both developmental and vestigal.
Which statement best describes the relationship between a carpel and a pistil?
A. The two terms are merely two names for the same thing. B. A pistil is part of a male component of the flower whereas a carpel is part of a female component. C. A pistil can be composed of either a single carpel (in which case the two terms are synonymous) or of two or more carpels fused together. D. A pistil is a reproductive part of a flower whereas a carpel is a showy vegetative part. E. A pistil is part of the female component of a flower and a carpel is not even a flower part at all.
In the context of vision, what does accommodation mean?
a. Accommodation is the lack of receptor response to continuous light signals. b. Accommodation refers to changing the shape of the lens. c. Accommodation is the movement of the lens closer to or further away from the retina in order to focus the d. Accommodation keeps the lens under tension to allow for image focusing. e. Accommodation prevents light from scattering upon entry to the eye.
Sensory information is transmitted to the CNS by the
a. efferent neurons of the autonomic nervous system. b. afferent neurons of the peripheral nervous system. c. somatic neurons of the peripheral nervous system. d. somatic neurons of the sympathetic division. e. efferent neurons of the sympathetic division.