Fact 1: Fertilization occurs when a sperm and an egg fuse. Fact 2: Fertilization As far as fertilization, timing is critical. Given the two facts above, when is timing critical?
OPTIONS:
- for gravity
- Warm air moving into cold air
- earth's orbit
- when sperm and egg fuse
- flow of electrons
- earth's rotation
- Earth revolving around the sun
- movement of tectonic plates
when sperm and egg fuse
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Fact 1: Threatening behavior causes a fight-or-flight response in animals. Fact 2: All animals, including fish, are in the Animalia kingdom. Given the two facts above, what behavior causes a fight-or-flight response in those in the Animalia kingdom?
OPTIONS:
- some mammals
- insects
- bullfrogs
- reproductive
- nurturing
- threatening
- foraging
- hypothyroidism
threatening
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Fact 1: Macroevolution is evolution over geologic time above the level of the species. Fact 2: Species are the different kinds of organisms. Given the two facts above, what is the evolution over a geologic time in a specific kind of organism called?
OPTIONS:
- solid, liquid, gas
- peachleaf willow
- Plants growth
- macroevolution
- barnacles
- permineralization
- animals
- graptolites
macroevolution
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Fact 1: Evolution occurs by a process called natural selection. Fact 2: Adaptation is the result of natural selection. Given the two facts above, evolution occurs by a process that results in what?
OPTIONS:
- animals
- adaptation
- unnatural selection
- Plants growth
- evolution stopping
- supernatural spirits
- rapid expansion
- competition
adaptation
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