Interactions Among Organisms

A(n) ___ is an organism that eats mainly animals.

• omnivore

• herbivore

• carnivore

• predator

A(n) ___ is an organism that eats both plants and animals in similar amounts.

• omnivore

• herbivore

• carnivore

• predator

A predator is an organism that

• eats another organism in part or whole.

• protects other organisms of the same species.

• runs faster than other organisms in its ecosystems.

• eats only plants in part or whole.

Tags

NGSS.MS-LS2-3

Which of these is an example of a predator-prey relationship?

• A kitten playing with a ball of string.

• A chameleon eating a cricket.

• A dog teaching its offspring to open a dog door.

Which of these is NOT a carnivore?

• A lion

• An owl

• A grasshopper

• A tiger

Why is a herbivore considered a predator?

• Herbivores hunt only animals for food.

• Herbivores eat other members of their own species.

• A herbivore is most likely to be hunted by carnivores.

• A herbivore's prey is a plant and plants are organisms.

Which of these is an example of how predators affect prey relationships?

• A flower population increases after the bees build a hive in the area.

• The zebra population in an area decreases after lions begin hunting them.

• A hummingbird shares resources with a nearby population of sparrows.

• Grass populations and insect populations increase after heavy rainfalls.

Tags

NGSS.MS-LS2-4

How does the scarcity of prey populations affect predator populations?

• Scarcity of a prey population has no effect on the predator population.

• Abundance of a prey population can decrease the predator population.

• Scarcity of a prey population leads to an increase in the predator population.

• Scarcity of a prey population leads to a decrease in the predator population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of these describes mutualism?

• Two species rely on each other to survive.

• Two species compete for food in a single ecosystem.

• Two species do not benefit from each other.

• Two ecosystems regularly exchange living and non-living things.

Tags

NGSS.MS-LS2-2

Which of these relationships is an example of mutualism?

• A wolf hunting deer.

• A fish eating algae off a turtle's shell.

• Barnacles cemented to the body of a whale.

• Fleas on a cat.

Tags

NGSS.MS-LS2-2