Grade 9 Q3

A habitat is ___________________.

• the place or kind of place in which an animal or plant naturally lives.

• is how plants produce their own food.

• is an animal that only eats meat.

• the place where only one animal lives.

A niche ________________.

• is the function that an organism performs in the food web of that community.

• includes everything else the organism does and needs in its environment.

• is specific to each individual animal and plant.

• All of the above.

Microbiome

• All of the microorganisms that live in a particular environment

• to small to be seen

• a nanometer

• the width of a DNA strand

What is the general term for the relationship between two organisms?

• Symbiosis

• Mutualism

• Commensalism

• Parasitism

What is the term for a relationship where both organisms benefit?

• Mutualism

• Commensalism

• Parasitism

• Predation

What is the term for a relationship where one organism benefit and the other is neither helped or harmed?

• Mutualism

• Commensalism

• Parasitism

• Predation

Which of the following is not a biotic factor?

• bacteria

• soil

• mushroom

• tree

What is the relationship between a wolf and a moose?

• wolf-prey; moose-predator

• wolf-parasite; moose-host

• wolf-predator; moose-prey

• wolf-predator; moose decomposer

What happens when the niches of 2 organisms overlap?

• They begin to share resources and form a mutualistic relationship

• The species compete with each other

• Once organism dies while the other survives

• The organisms form a social group and live together

What is the advantage of these birds living/ feeding in different parts of the tree?

• Fewer abiotic resources for each bird species

• Less competition for food

• Fewer biotic resources for each bird species

• Less energy available as the birds feed higher in the tree