NGHS Biology

Biologists organize the environment into ecological layers so they can communicate about the areas more efficiently. The diagram shows an example of the organization. If biologists were discussing aquatic biome, which layer on the diagram would they most likely be referencing?

• Layer A

• Layer B

• Layer C

• Layer D

Tags

NGSS.MS-LS2-2

Which species would have the largest amount of available energy in this ecosystem?

• A

• B

• C

• E

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The diagram below represents four trophic levels in an ecosystem. Which explanation best explains how energy passes through the trophic levels?

• Energy flows through all the trophic levels and then back to the producers.

• Most of the energy from the plants is transferred to the mice, grasshoppers, and rabbits because plants don't have to search for their food.

• About ten percent of the energy at one trophic level is passed to the next trophic level.

• Birds have the most energy because energy from all the other trophic levels flows to the birds.

Tags

NGSS.MS-LS2-3

Why is niche partitioning important for promoting biodiversity?

• Niche partitioning increases competition and reduces coexistence of different species.

• Niche partitioning reduces competition and promotes coexistence of different species.

• Niche partitioning has no effect on biodiversity.

• Niche partitioning only benefits a single species and not the overall ecosystem.

Answer explanation

Niche partitioning reduces competition and promotes coexistence of different species, which is crucial for biodiversity.

Tags

NGSS.MS-LS2-5

Label the diagram as Type I, Type II, or Type II survivorship curves.

a

b

c

Type IV

Type II

Type VI

Type III

Type I

Type V

Intraspecific competition vs. Interspecific competition is when

• Intraspecific is when organisms compete between 2 same species, and Interspecific is when organisms compete between 2 different species.

• Intraspecific is when organisms compete between 2 different species, and Interspecific is when organisms compete between 2 same species.

• Both of them are the same

Tags

NGSS.MS-LS2-1

Identify the pattern of population

a

b

c

sparsed

clumped

Uniform

cluster

random

Label the age structure diagram

a

b

c

Declining

Rapid

Stable

Tags

NGSS.MS-LS2-4

A study was done to see if different types of fuel make a car go faster. Three identical cars were given 3 different types of fuel and their speed was measured over 5 miles.

What is the independent and dependent variable?

• IV= Speed of the car.

  DV= Fuel of the car

• IV= Fuel used.

  DV= Speed of the car

• IV= 5 miles

  DV= 10 miles

• IV = Identical cars.

  DV= speed of the car

Tags

NGSS.MS-PS3-1

Based on this graph, which of the following statements is correct?

• The dependent variable is users, and the independent variable is Internet browsers.

• The dependent variable is Internet browsers, and the independent variable is users.

• The constant variable is users, and the independent variable is Internet browsers.

• The dependent variable is users, and the constant variable is Internet browsers.