Which of the following aspects is NOT
characteristic of diatoms?
a. overlapping shell
b. live in fresh water and cool seas
c. silica composition
d. flagella
e. photosynthetic
D
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Even semi-aquatic reptiles like crocodiles and alligators can spend much of their life on dry land. Which of the following is an example of an adaptation that would allow reptiles to live and reproduce on dry land?
A. internal fertilization and amniotic eggs B. external fertilization C. internal fertilization D. amniotic eggs E. external fertilization and amniotic eggs
Menopause
A. is the cessation of menstruation. B. is the cessation of sperm production. C. is the beginning of menstruation. D. begins in most females at puberty. E. begins in most males at puberty.
Figure 22.18
?
Refer to the above figure for questions.
Which numbered item in the accompanying figure represents microspores?
A. 1 B. 2 C. 3 D. 4 E. 5
Most inherited human genetic disorders are inherited as ________ alleles.
a. dominant b. recessive c. homologous d. sex-linked