Ecology and Competition

Notice the relationship between the predator (the lynx) and the prey (the hare). Which is true according to the graph?

• These two populations live in different ecosystems.

• When the hare population declines, the lynx population increases.

• When the lynx population declines, the hare population increases.

• The highest lynx population was seen in 1885.

Tags

NGSS.MS-LS2-2

True or False: Predator populations can be impacted by changes in the populations of prey.

• True

• False

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

How is a niche different from a habitat?

• It is not different; they mean the same thing

• A niche is where an organism lives; a habitat is how they live (behavior)

• A habitat is where an organism lives; a niche is how they live (behavior)

• You find multiple types of habitats inside a single niche

How much energy is lost between trophic levels when on organism eats another?

• 10%

• 25%

• 50%

• 90%

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is at the base of every trophic pyramid?

• Producers

• Decomposers

• Primary Consumers

• Apex Predators

Tags

NGSS.MS-LS2-3

All of the following are biotic parts of an ecosystem except-

• individual

• population

• species

• atmosphere

Tags

NGSS.MS-LS2-3

Populations of different kinds of organisms that live in the same place at the same time are referred to as a/an-

• community

• species

• individual

• organisms

True or False?

Biotic things do not depend on other biotic things in an ecosystem.

• True

• False

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following are abiotic components found in this marine ecosystem?

• rocks, water, turtles

• turtles, fish, coral

• water, rocks, sunlight

• sunlight, water, fish

Tags

NGSS.MS-ESS2-4

Which of the following is an example of a biotic factor interacting with another biotic factor in this ecosystem?

• An insect rests on a leaf.

• The deer drinks the water.

• The hawk flies in the air.

• Rocks can be found at the bottom of the pond.

Tags

NGSS.MS-LS2-2