Science

1. An organism's particular role in its habitat, or when and how it survives, is called its

A. Food Chain
B. Ecosystem
C. Competition
D. Niche***

2. Which of the following is an example of a predator adaption?

A. A lion's pheromones
B. A shark powerful jaws***
C. A bears hibernation behavior
D. A cardinal's bright red feathers

3. A hawk building its nest on an arm of a saguaro cactus is an example of

Commensalism***
Mutualism
Parasitism
Predation
4. Which is an example of parasitism?
a tick on a dog***
a plant growing on a tree
a bird eating insects off a deer
a wolf hunting a deer
5. Which relationship benefits two organisms?
Commensalism
Parasitism
Mutualism
Host
6. Which of the following describes all animals?
All animals have backbones.
All animals are multicellular.
All animals control their own body temperature.
All animals are vertebrates.
7. Which of the following is a characteristic of animals with bilateral symmetry?
They have a distinct head end.***
They have no definite shape.
They can move in only one direction.
They all live in the water.
8. Why does a male bird displays his colorful feathers?
To increase the success rate of asexual reproduction.
To increase the gestation period.
To release gametes into his surroundings.
To attract a mate***
9. Which of the following is an advantage of internal fertilization?
Gametes are released into the surroundings.
Gametes may get washed away.
The developing zygote is protected.
Large numbers of eggs may be fertilized at one time.
10. Which of the following is a benefit of cooperative behaviors in a society?
Shows dominance to other animals.
Protects itself against predators.
Is threatening to other animals.
Increases survival of offspring.

Thank you!

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