Ecology Review

What is a population?

• One individual member of a species

• a group of individuals of the same species that live in the same area

• a community of different species and their environment

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Which definition best fits the term BIOTIC?

• The study of the interactions between animals and their environment

• Factors in the environment that are considered not alive

• Factors in the environment that are considered living or the remains of living things

One species benefits, the other is unaffected

• symbiosis

• parasitism

• mutualism

• commensalism

Honey guide birds alert and direct badgers to bee hives. The badgers then expose the hives and feed on the honey first. Then, the honey guide birds eat as well.

• symbiosis

• parasitism

• mutualism

• commensalism

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Tapeworms reside in human intestine and take nutrients from the human

• symbiosis

• parasitism

• mutualism

• commensalism

Vines grow on a tree. The vines get light but the tree is not affected. What kind of relationship is this?

• Competition

• Mutualism

• Commensalism

• Parasitism

An organism that helps to recycle nutrients within an ecosystem by eating dead or decaying organisms is a:

• Predator

• Autotroph

• Producer

• Decomposer

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The ecological role an organism performs in their specific environment is considered the organism's...

• Habitat

• Population

• Biome

• Niche

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• It shows how sunlight flows within an ecosystem.

• They show what direction the energy is flowing between organisms. 

• They represent how water is transferred within a habitat.

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The fox in this food web would be considered a:

• Tertiary Consumer
• Producer
• Secondary Consumer
• Primary Consumer