Interdependency

All of the following are examples of living things interacting with each other EXCEPT —

• birds preying on insects living in the grass

• squirrels spreading the seeds of trees by burying them

• fish eating plants and other smaller fish

• frogs sleeping in the mud at the bottom of the pond

Tags

NGSS.MS-LS2-2

Fifth grade science students have a goldfish tank in their classroom. Which observation below is an example of a living organisms interacting with another living organism in this environment?

• A fish swims in the water.

• A fish hides among the plants.

• A fish swims though the sand castle.

• A fish opens its mouth to draw in water to breathe.

Tags

NGSS.MS-LS2-4

Some facts about the Canada Lynx are below. Which fact describes how the Canada Lynx depends on another living organism for survival?

• Fact 1

• Fact 2

• Fact 3

• Fact 4

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Living and nonliving things interacting in an environment is called:

• Organism

• Producer

• Consumer

• Ecosystem

Tags

NGSS.MS-LS2-3

Match the following

• Eats to get energy

• Decomposer

• Breaks down decaying organisms

• Producer

• Organism that makes its own food

• Consumer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which statement describes a living organism interacting with a nonliving element in a desert ecosystem?

• Sunlight warms the sandy soil

• A snake hides under a rock

• A coyote chases a jack rabbit

• Desert birds eat the fruit of a cactus

A student puts the following living organisms and non-living objects in an aquarium.<\/p>

Which statement describes an interaction between the fish and a living part of their environment that is necessary for fish survival?<\/p>

• The fish eat the plants.<\/p>

• Bacteria remove substances that could harm the fish.<\/p>

• The fish absorb oxygen from water.<\/p>

• The light provides energy for the fish to grow.<\/p>

Tags

NGSS.MS-LS2-3

A student observes a brown pelican flying over water. The pelican dives down into the water to scoop up a fish in its large throat pouch. Based on these observations, which statement gives the most important reason why pelicans need to live near water?

• Pelicans move around by swimming through water.

• Pelicans depend on food sources found in water.

• Pelicans use warm water to hatch their eggs.

• Pelicans live in plants that grow near water.

Tags

NGSS.MS-LS2-1

A student is making a model. The title of her model is shown below.

The student could use all of the following as a model of a predator in her ecosystem EXCEPT –

• White-lipped frog

• Red-eared slider turtle

• Cottonmouth snake

• Eastern gray squirrel

Which of the following changes to the ecosystem would be most harmful to the organisms that live there?

• An increase in the number of birds that live in the ecosystem

• An increase in the level of precipitation in the ecosystem

• A group of students walking through the ecosystem while recording their observations

• Construction of a new shopping center near the ecosystem

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4