ES Unit 0 - Introduction to Environmental Science

The jaguar is a predator which produces waste broken down by decomposers. Microorganisms live in their fur and are homes to some parasites. This describes its ROLE or...

• awesome ninja-like skills

• habitat

• niche

• trophic level

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Which illustrates an ABIOTIC factor affecting a BIOTIC factor in the environment?

• MOSS growing on a ROCK

• PLANTS releasing OXYGEN into the air

• ROCK being weathered by LICHEN

• VINE growing on the side of a HOUSE

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Which ecological level is best represented in the image above of the food web?

• biosphere

• community

• ecosystem

• population

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Which ecological level is best represented by the group of penguins?

• biome

• community

• organism

• population

Although deserts are located on different continents, they all have similar climates, plants, and animals. Which ecological level does this represent?

• biome

• community

• organism

• population

The entire planet earth where all life exists represents which ecological level?

• biosphere

• biome

• community

• population

What types of species are the first to grow in ecological succession?

• grasses and flowers

• pioneer species like lichen

• shade-tolerant trees like oak

• shrubs/bushes

If a pond is left undisturbed for a thousand or more years, what change in the ecosystem most likely would occur?

• it will become deeper over time

• it will become a meadow or field

• it will be covered in a layer of green algae

• it will remain unchanged as a pond forever

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What is it called when small plants are replaced by larger, more complex plants overtime in an ecosystem?

• biomagnification

• denitrification

• ecological succession

• eutrophication

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What is the best explanation for the decline in grasses based on the graph?

• lack of soil nutrients

• outcompeted by mosses

• outcompeted by oak trees

• outcompeted by shrubs

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