The human X and Y chromosomes are
A) both present in every somatic cell of males and females alike.
B) of approximately equal size
C) almost entirely homologous, despite their different names.
D) called "sex chromosomes" because they determine an individual's sex.
E) all of the above
Ans: D) called "sex chromosomes" because they determine an individual's sex.
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Characters that are similar because of descent from a common ancestor are _____; characters that are similar due to convergent evolution are _____
A. homologous; analogous B. analogous; homologous
Which of the following is NOT a structure of
the middle ear?
a. eardrum b. anvil c. hammer d. cochlea e. all of these are structures of the middle ear
In the logistic growth model, as the number of individuals in the population (N) approaches the carrying capacity (K), what happens to the intrinsic rate of growth (ri)?
A. It will be affected by an increased birth rate. B. It will be affected by a decreased death rate from predation. C. It will be affected by increased competition with other species. D. It will be affected by increased competition within the species. E. It will not change.
What number process does incubation correspond with?
What will be an ideal response?