Ecosystem Review

Which of the following are abiotic factors in an ecosystem?

• water, oxygen and carbon dioxide, soil, temperature, sun

• sun, plants, animals, air and temperature

• temperature, dogs, cats, air and sun

• sun, temperature, trees, fungus

How many producers are in this food web?

• 3

• 4

• 2

• 1

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which level of organization from complex to simple (largest to smallest) is correct?

• Biosphere, Ecosystem, Community, Population, Organism

• Organism, Population, Community, Ecosystem, Biosphere

• Ecosystem, Community, Population, Organism, Biosphere

• Biosphere, Community, Ecosystem, Population, Organism

The Taiga Biome has coniferous trees. How does a needle like leaf help coniferous trees survive?

• The waxy needle leaves prevent snow build up and freezing.

• The needle like leaves attract animals.

• The needle like leaves attract pollinators.

• The needle like leaves don't help the coniferous trees.

Pond succession in this picture shows

• Ecosystems change until a stable ecosystem forms.

• Humans have interfered with the ponds succession.

• Stable environments don't happen in pond succession.

• Primary succession in action.

An energy pyramid shows that organisms at the top need

• More energy

• Less energy

• Same amount of energy as those at the bottom

• none of the above.

If underwater plants do photosynthesis too, they must also

• Produce Oxygen

• Produce Carbon Dioxide

• Get rid of Sugar

• Die earlier than plants not in water.

In secondary succession which plants come in first?

• Lichens, grasses, and small plants

• Trees and large shrubs

• Pine trees

• Conifers

Why do vines grow up trees in a rain forest?

• To get more sunshine.

• To get more oxygen.

• To get more nutrients.

• To find a mate.

A drought in a desert that lasts for 3 years would do what to the plants and animals of the desert?

• Prevent them from reproducing.

• Kill all the organisms.

• Nothing

• Help the plants but kill the animals.