Which are tetrapods? Check all that apply.
_____ frogs
_____ snakes
_____ birds
_____ humans
_____ lungfish
__X__ frogs
__X__ snakes
__X__ birds
__X__ humans
_____ lungfish
You might also like to view...
Plant hormones called ________ form in roots and travel to shoots where they induce cell divisions in the apical meristem
a. abscisic acid (ABA) b. auxins c. gibberellins d. cytokinins
Corals in a tropical reef provide protection from ocean waves and currents to the other species that live there and have the greatest influence on the reef community. The corals are a(n) ______ species.
a. invasive b. foundation c. pioneer d. keystone
The Hardy-Weinberg formula is valuable for the
calculation of changes in a. population size. b. speciation. c. allele frequencies. d. mutation. e. dimorphism.
Cell-free fetal DNA originates from the breakdown of fetal cells in the __________. Fill in the blank(s) with the appropriate word(s)