Fossils like Archaeopteryx offer evidence linking
A. reptiles and mammals.
B. amphibians and reptiles.
C. birds and mammals.
D. birds and dinosaurs.
E. fish and amphibians.
Answer: D
You might also like to view...
Why must the life cycle of sexually reproducing species alternate between haploid and diploid stages?
A. Meiosis must occur at some point in the life cycle to prevent a doubling of chromosomes in each generation. B. Mitosis must occur at some point in the life cycle to prevent a reduction of chromosomes in each generation. C. The diploid stage allows for genetic recombination. D. Meiosis must occur at some point in the life cycle to prevent a reduction of chromosomes in each generation. E. Haploid cells cannot grow independently of diploid cells.
A(n) _____ is a general term for the site of infection or disease
a. infection b. lesion c. disease d. sequela
Which of the following is a characteristic feature of a carrier protein in a plasma membrane?
A) It exhibits a specificity for a particular type of molecule. B) It requires the expenditure of cellular energy to function. C) It works against diffusion. D) It has no hydrophobic regions.
Botryococcus braunii is an alga that produces hydrocarbons at (10/20/30) percent of its dry weight and could be harvested in the future as an alternative fuel.
Fill in the blank(s) with the appropriate word(s).