Free Printable Ecology: Relationships, Succession, Carbon

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Ecology: Relationships, Succession, Carbon

Total questions: 18

Worksheet time: 12mins

Name

Class

Date

Which of the following terms describes an area where an organism lives?

community

habitat

area

Which is an example of a parasitic relationship?

a bee pollinates a flower

a tapeworm takes nutrients from a dog

an orchid lives in a tree but does not harm the tree

Barnacles grow on whales. Whales give the barnacles a place to live but the barnacles do not help or harm the whale. Which type of relationship is this?

commensalism

mutualism

parasitiesm

A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.

Population

Community

Habitat

Ecosystem

plants that convert energy from the sun

decomposer

primary consumer

secondary consumer

producer

Different populations living and interacting with each other in the same area

Biome

Ecosystem

Community

Niche

In a particular habitat lives a population of rabbits that are herbivores and a population of foxes that are carnivores. Which of the following would describe a niche

herbivores and carnivores

rabbits and foxes

rabbit preys on the foxes

the habitat they live in

Type of relationship: A wolf eating a rabbit.

Predator/prey

Parasite/host

Producer/consumer

Competitors

In a predator-prey relationship, when the population of the predator increases, the population of the prey will ____________.

Increase

Remain Stable

Decrease

Change unpredictably

10.

What type of symbiosis? Skunks often live in burrows that have been dug and abandoned by woodchucks.

commensalism

mutualism

parasitism

predation

11.

Maria and her classmates are observing animals at the pond. They notice that wood storks and ibisies both feed on fish. Which of these describes the relationship between these two birds.

Parasitism

Competition

Predator and prey

Producer and consumer

12.

Red-billed oxpeckers are birds that often feed on parasites that infest impala. This is an example of _______.

commensalism

mutualism

neutralism

competition

13.

After a forest fire, an ecosystem would start regrowth through -

primary succession

secondary succession

climax community

limiting factors

14.

succession that occurs in an area with no soil

ecological succession

primary succession

secondary succession

pioneer speciles

15.

What are examples of pioneer species in a primary succession?

Bushes and Shrubs

Oak trees

Mossess and Lichens

A rose Bush

16.

How does the human body return carbon to the atmosphere in the carbon cycle?

Waste products

Photosynthesis

Cellular respiration

Formation of glucose

17.

What kind of organism takes out the most carbon from the atmosphere?

Plants

Bacteria

Animals

Humans

18.

In the carbon cycle, animals can release carbon back into the cycle through __________ or through __________.

burning . . . photosynthesis

fixation . . . decomposition

decomposition . . . photosynthesis

respiration . . . decomposition

respiration . . . photosynthesis

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Ecology: Relationships, Succession, Carbon

Total questions: 18

Worksheet time: 12mins

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