WHICH OF THE FOLLOWING ADAPTATIONS TO LIFE ON LAND IS FOUND IN BOTH INSECTS AND MODERN REPTILES?
A. insensitive to changes in the environment.
B. symbiotic associations between a fungus and an alga.
C. parasitic interactions between a fungus and an alga.
D. only found growing on living matter.
E. capable of causing some obscure diseases.
Mammals have two traits that set them apart from all other animals. These are
A. four-chambered heart and body hair or fur.
B. body hair or fur, and being homeothermic.
C. amniotic eggs and milk production.
D. four-chambered heart and milk production.
E. body hair or fur, and milk production.
In general, mammals are not good at dispersing chili plant seeds because
A. the chili seeds do not stick to the mammals’ fur.
B. the mammals do not travel very far before they release the chili seeds.
C. chili seeds are dispersed mainly by the wind.
D. the mammals are the main pollinators for the chili plant.
E. the seeds die as they pass through the digestive tract.
It is generally thought that animals have undergone four major physiological and anatomical innovations during their evolution. These are (in no particular order)
A. bilateral symmetry, development of tissues, origin of the multichambered heart, origin of patterns of embryonic development.
B. development of the versatile forelimb, multicellularity, origin of patterns of embryonic development, development of tissues.
C. origin of patterns of embryonic development, development of the versatile forelimb, origin of the multichambered heart, multicellularity.
D. multicellularity, bilateral symmetry, origin of patterns of embryonic development, development of tissues.
E. development of tissues, photosynthesis, bilateral symmetry, multicellularity.
In bryophytes, the rhizoids
A. serve as attachment structures.
B. are involved in reproduction.
C. lure possible prey.
D. obtain water.
E. obtain nutrients.
This characteristic allows fungi to withstand heat and drought conditions.
D. cell walls
E. specialized organelles
Which of the following are adaptations to land of both gymnosperms and angiosperms but are lacking in ferns and mosses?
pollen and seeds
fruits and flowe
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