What is the most primitive group of non-vascular plants?
a. Liverworts
b. Hornworts
c. Ferns
d. Mosses
a. Liverworts
Liverworts are the most primitive group of non-vascular plants.
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Regions of the genome that are inactive often have ________ of C nucleotides.
Fill in the blank(s) with the appropriate word(s).
Which of the following traits is characteristic of a K-selected species?
a. adapted to rapidly changing environments b. small body size c. short generation time d. provide substantial parental care to offspring e. single reproductive event common
In the experiment with peacock butterflies the working hypothesis is that ____
a. mimicry confuses both predator and prey b. mimicry protects butterflies from being eaten by predatory birds c. birds are capable of learning d. birds are agents of evolution e. unpalatable species display distinctive wings
A bond that joins atoms that have opposite charges is a(n)
a. covalent bond. b. hydrogen bond. c. ionic bond. d. coordinate covalent bond. e. polar covalent bond.