Interactions of Living Things

Which is an abiotic factor in this ecosystem?

• fish

• sand

• snails

• plants

Tags

NGSS.MS-LS2-3

Which is a biotic factor in this ecosystem?

• Rocks

• Water

• Sand

• Fish

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Seaside ecosystem - Which organism benefits the most from patterns & coloration to blend in with sand-dune grasses?

• crab

• sandpiper

• palm trees

• grasshopper

Which of the following describes a community?

• All populations that live in the same area.

• All populations that contain the same species.

• All populations that live inthe same area & interact.

• All populations that live in the same area but do not interact.

Why are decomposers an essential part of a healthy ecosystem?

• Decomposers are a necessary part of the diet of most consumers.

• Decomposers convert plant material into a form that primary cosumers can use.

• Decomposers make resources available to producers by breaking down waste materials.

• Decomposers extract energy from sunlight as they break down plant materials, adding returning energy to the system.

Tags

NGSS.MS-LS2-3

What is one way that cooperation helps lions to survive?

• They hunt in a group to increase their liklihood of catching prey.

• They all have a tan color that helps them bled into their environment.

• They eat a variety of prey, including zebras, buffaloes, and wildebeest.

• They live prides of five to ten adult femails and their young, and one or two adult males.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

A scientist is studying a population of elephants contained in an animal preserve. Which of the following must be true if the size of the population is increasing?

• The birth rate has dropped to zero.

• The birth rate is equal to the death rate.

• The death rate is greater than the birth rate.

• The birth rate has become greater than the death rate.

Which of the following best describes the study ecology?

• the interactions of organisms with their enviornment

• the interactions of organisms with weather and climate

• the interactions of organisms to reproduce and produce offspring

• the interactions of organisms with one another and the environment

Tags

NGSS.MS-LS2-2

Wind is a(n) ____________ factor.

• abiotic

• biotic

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following consumers is a herbivore?

• cat

• horse

• human

• vulture