ecological relationships

A close relationship between two species that benefits at least one of the species is called_______.

• Species

• natural selection

• symbiosis

• ecology

Ostriches and gazelles eat next to each other. They both watch for predators and alert each other to danger. They each can identify threats that the other animal would not see as easily. What type of relationship is this?

• commensalism

• predation

• parasitism

• mutualism

Tags

NGSS.MS-LS2-2

An owl swoops down and grabs a small rodent in its sharp claws. This is an example of what type of relationship?

• mutualism

• predation

• commensalism

• competiton

Hermit crabs attach anemones to its shell using them as camouflage which keeps predators away. The anemones have a better opportunity to get food from their "mobile home". What type of relationship is this?

• mutualism because the crab gets a home and the anemone gets access to food.

• mutualism because the crab is getting harmed by the anemone.

• parasitism because the crab is getting harmed by the anemone

• predation because the anemone is eating the crab

Tags

NGSS.MS-LS2-2

Snakes and lizards both hunt the same prey, but they hunt at different times. This reduces ______.

• adaptation

• mutualism

• predation

• competition

Tags

NGSS.MS-LS2-4

According to the food chain, what animal gets the energy from the snake?

• the grass

• the grasshopper

• the eagle

• the mouse

Tags

NGSS.MS-LS2-3

According to the food chain, what is the relationship between the mouse and the snake?

• mutualism

• predation

• commensalism

• parasitism

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is the grasshopper in this food chain?

• predator

• parasite

• host

• prey

Tags

NGSS.MS-LS2-2

What is the role of the mushroom in the food chain?

• parasite

• decomposer

• consumer

• predator

Tags

NGSS.MS-LS2-3

What is the role of the grass in the food chain?

• consumer

• predator

• decomposer

• producer

Tags

NGSS.MS-LS2-3