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.

x 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 dune with a vast network of root systems. The process described is called