SCI 200--Final Milestone 2 Questions
and Answers Already Passed
Choose the statement about nitrogen and nitrogen fixation that is FALSE.
The roots of certain plants contain microorganisms that absorb nitrogen from the
...
SCI 200--Final Milestone 2 Questions
and Answers Already Passed
Choose the statement about nitrogen and nitrogen fixation that is FALSE.
The roots of certain plants contain microorganisms that absorb nitrogen from the atmosphere and
pass it on to animals.
When an animal dies, microorganisms convert the nitrogen in its proteins and muscles into a form
that plants can eat.
Nitrogen makes up about 22% of the atmosphere and is an important biological compound found
in DNA.
Nitrogen in the atmosphere is not useable, so it needs to be "fixed" to be of benefit to plants and
animals. ✔✔Nitrogen makes up about 22% of the atmosphere and is an important biological
compound found in DNA.
Select the statement that is an example of a species providing an ecosystem service.
When a whale is injured, other whales will support it out of the water so it can breathe.
Earthworms aerate the soil and create pathways for root growth under farmers' fields.
After mice invaded a home, the homeowner used humane traps to release the mice into the wild.
Wolves promote biodiversity and natural balance by eating deer and other animals.
✔✔Earthworms aerate the soil and create pathways for root growth under farmers' fields.
Which list correctly orders the examples of organism, population, community and ecosystem?
Rabbit, nest of rabbits, wolf pack, arctic tundra
Seahorse, sponges, group of turtles, coral reef
Prairie dog, family of prairie dogs, animals on the prairie, prairie
Den of desert foxes, kangaroo rats, cacti and sand, desert ✔✔Prairie dog, family of prairie dogs,
animals on the prairie, prairie
Choose the statement that is NOT true about conditions within the given biome.
Grassland biomes do not have enough precipitation to support many trees.
Temperate forest biomes have four seasons.
Tropical rainforests are located near the equator and are hot and humid.
Taiga biomes exist only in the northern hemisphere. ✔✔Taiga biomes exist only in the northern
hemisphere.
Which of the following is a renewable resource?
Gemstones
Ethanol
Natural gas
Coal ✔✔Ethanol
Large rocks at the back of a beach cause the wind speed to slow. Windblown sand begins to drop
and build small sand piles, which create another windbreak and more sand is deposited. Gradually,
salt-tolerant grasses will begin to stabilize the sand d
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