Ecology Mod(3/9/2026) - Stacey Jenkins | Biblioteka

4

Choose the letter from the right that matches the statement on the left.

Stavka koja se može prevući		Odgovarajuća stavka
All the parts of Earth where life is found. (Biosphere or Community)		Biotic Factors
All the populations of different species that live in the place at the same time. (Biosphere or Community)		Biosphere
Non-living things in the environment. (Biotic or Abiotic)		Community
Living things in the environment (Biotic or Abiotic)		Abiotic Factors

3

Choose the letter from the right that matches the statement on the left.

Stavka koja se može prevući		Odgovarajuća stavka
Members of one species that live together in the same area at the same time.		Ecosystem
A community interacting with the abiotic parts of the environment.		Ecology
Study of interactions that occur between organisms and their environment.		Population

1

Grass, deer, cows, humans, ants, and grasshoppers are all examples of ____________.

abiotic factors

biotic factors

1

In 1993, floods caused the squirrel population to drastically decline in six states. What would the floods be an example of?

abiotic factor

biotic factor

1

The number of bison in Custer State Park is an example of __________.

a population

an ecosystem

1

When looking at the living and non-living things together in an area, it is ____________.

a population

an ecosystem

1

What would a tornado be an example of?

abiotic factor

biotic factor

1

Bacteria that help to break down dead materials are important to the environment because they act as ________________.

habitats

decomposers

1

A beaver lives in a stream. This describes the beaver's ________________.

biome

habitat

1

In an ecosystem, ____________________ have the largest population.

consumers

producers

1

Ferns, oak trees, cacti, and algae are all the first links in food chains and are examples of ______.

consumers

producers

1

A food chain always begins with a producer.

Tačno

Netačno

1

Nearly all energy used by living things can be traced back to ______.

the sun

chemicals in the atmosphere

1

Oxygen is a(n) ______ factor.

abiotic

biotic

1

What level of an energy pyramid has the greatest amount of energy available?

Middle layer

Bottom layer

1

The removal of which type of organism would be the most harmful to an ecosystem?

producers

consumers

1

Oxpecker birds eat the ticks found on a rhinoceros. What is the relationship between the oxpecker bird and rhinoceros?

commensalism

mutualism

1

A flea feeds on a mouse's blood, possibly infecting the mouse with a disease. What type of relationship do the flea and mouse have?

parasitism

commensalism

1

Bison walk through grass making the insects fly around so that cowbirds can see the insects and eat them. What is the relationship between bison and cowbirds?

parasitism

commensalism

1

A close relationship such as parasitism, commensalism, and mutualism between two species is called ___________________.

population

symbiosis

1

Rat snakes eat mice. This is an example of what kind of relationship?

mutualism

predator/prey

1

A pond has a large amount of algae growing on the top. What should be considered before releasing algae eating fish into the pond to fix the problem?

If the fish have predators that should be controlling other populations in the pond.

If the algae was a food source for other fish that will now have too much competition to survive.

Both A and B should be considered before releasing the fish into the pond.

1

Moths sometimes have markings on their wings that resemble owl eyes. This is an example of ____________ that helps to protect the moth from predators.

biosphere

mimicry

1

Vultures are __________________ because they feed on animals that are already dead.

scavengers

prey

1

If the deer population in Madeup County goes above 30, many deer begin to starve because there is not enough food. This is because the population of deer has gone over the ______________________ of the ecosystem.

community

carrying capacity

1

The lack of food for more than 30 deer to survive at a time is a ____________________.

limiting factor

community

3

Match each term with its definition.

Stavka koja se može prevući		Odgovarajuća stavka
A close relationship between two organisms in which one benefits and the other is not helped or harmed.		mutualism
A close relationship between two organisms in which both benefit.		parasitism
A close relationship between two organisms in which one benefits and the other is harmed.		commensalism

1

What type of organism eats only producers?

herbivore

carnivore

1

What type of organism eats only meat?

carnivore

omnivore

1

What type of organism will eat both producers and consumers?

carnivore

omnivore