Amphibians, birds, and mammals look the most similar as
A. embryos.
B. adults.
C. newborns.
D. juveniles.
E. fossils.
A. embryos.
You might also like to view...
The donor cell makes ___________ whose function is to bring F- cells close enough to transfer a ___________ to the recipient.
A. a sex pilus, single strand of DNA B. a sex pilus, double strand of DNA C. an F factor, fertility plasmid D. an F factor, replicated F factor E. a sex pilus, bacterial chromosome
Which organisms would most likely have the highest tissue concentration of DDT?
a. zooplankton b. small herbivorous fish c. large predatory fish d. osprey e. large herbivorous fish
The capillary wall consists of
a. a thin muscular layer and two layers of endothelial cells. b. a single layer of flat endothelium. c. a layer of endothelium, a layer of muscle and a layer of epithelium. d. five layers of endothelium. e. three endothelial layers and one layer of muscle.
In the logistic growth curve formula, when N is very large, (K-N)/N is almost equal to 0, which results in
A. the population going extinct. B. the population growth slowing to zero. C. the population growing as fast as it can, or r(N). D. the population exceeding carrying capacity; more are dying due to starvation than are born. E. You can't tell without knowing the value of r (rate of reproduction).