Which scenario demonstrates the interaction of biotic and abiotic factors in this ecosystem?

• turtles eating crabs

• birds eating turtle eggs

• sun radiating to the ocean

• a turtle burying eggs in the sand

Tags

NGSS.MS-LS2-3

The biotic and abiotic factors that work together in an area

• Community

• Ecosystem

• Organism

• Population

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Match the following

• ecosystem

• 
• species

• 
• population

• 
• biome

• 
• community

• 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Reorder the following to correctly show the organization of the biosphere from smallest to largest.

• community

• ecosystem

• biome

• individual

• population

An organism’s habitat provides _____________________.

• food, water, shelter, and space.

• sunlight, food, and water

• space, food, water, and sunlight.

• only food and water.

Which describes symbiosis?

• the interaction between organisms and abiotic factors in an ecosystem

• the interaction between two different organisms that are living in close physical association

• the effects of changing abiotic factors on organisms in their ecosystem

• the study of interactions between abiotic factors and living organisms

Tags

NGSS.MS-LS2-2

Identify the interaction described in the scenario.

Sea Anemones will hitchhike on the backs of hermit crabs, while getting a ride, the anemones use their tentacles to grab leftovers from the hermit crabs’ meals. The sea anemone protects the hermit crab from hungry octopuses.

• mutualism

• commensalism

• parasitism

• competition

Identify the interaction described in the scenario.

Barnacles are crustaceans that are unable to move on their own. During the larval stage, they stick to other organisms such as whales or attach to shells, ships, and rocks. They grow and develop on these surfaces without negatively affecting them.

• mutualism

• commensalism

• parasitism

• competition

A tapeworm takes the nutrient from a cat to its detriment is an example of which type of symbiotic relationship?

• Competition

• Commensalism

• Parasitism

• Mutualism

The flock of seagulls that are fighting over a single food source (Nemo & Dory) depicts which ecological relationship?

• Competition

• Mutualism

• Cooperation

• Commensalism