Mutation creates new genetic variation in a gene pool, and fertilization increases genetic variation. Given these facts, the gene pool expands through fertilization and: among the following options: - offspring - agriculture - mutation - babies - seeds - zygotes - relocation - competition
mutation
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Webbed feet are used for moving faster through water by aquatic animals, and aquatic animals moving through water are also subject to the principles of aerodynamics. Given these facts, aquatic animals in water use webbed feet due to what among the following options: - ability to sense light - principals of aerodynamics - kinetic energy - swimming slower - refraction of light - poor swiming - bending light rays - dynamic relationships
principals of aerodynamics
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Playing is one way mammals and other animals learn how to behave, and sea lions are tactile mammals. Given these facts, what do sea lions learn how to behave from among the following options: - exercise - Energy. - fish - Movement - Energy - playing - children - whales
playing
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Plants that are adapted to very dry environments are called xerophytes, and bromeliads and cacti are xerophytes. Given these facts, what is adapted to very dry environments among the following options: - cacti - plants - alpacas - otters - toads - fish - polar bears - gasoline
cacti
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