13 Jan ) obtaining oxygen from the water.
Which of the following are adaptations to land of both gymnosperms and angiosperms but are lacking in ferns and mosses?
A) spores
B) true roots, stems, and leaves
C) fruits and flowers
D) pollen and seeds
E) vascular system
2.
Mammals have two traits that set them apart from all other animals. These are
A) body hair or fur, and being homeothermic.
B) amniotic eggs and milk production.
C) four-chambered heart and body hair or fur.
D) four-chambered heart and milk production.
E) body hair or fur, and milk production.
3.
Which of the following is not a characteristic differentiating Neanderthals from modern humans?
A) Neanderthals had projecting brow ridges.
B) Neanderthals were stronger.
C) Neanderthals had larger noses.
D) Neanderthals were shorter.
E) Neanderthals had smaller brains.
4.
In cnidarians, nematocysts are important in
A) excretion of wastes.
B) movement.
C) obtaining prey.
D) obtaining oxygen from the water.
E) food digestion.
5.
Cnidarians and ctenophores are similar in that they both have
A) mesoderm.
B) a digestive tract with two openings.
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