someone please check my answers please
Based on appearances, which group of animals likely has the greatest genetic diversity?(1 point)
bears
horses
birds
whales******
The crown-of-thorns starfish is a particularly successful invasive species. It has several traits that lead to its proliferation on the Great Barrier Reef except that(1 point)
it eats a wide variety of foods.
it has no predators.
it breeds rapidly.*****
it feeds on large quantities in a short time frame.
Aside from direct harm, what secondary issue do invasive species present?(1 point)
They might damage the habitat that other organisms rely on.
They may not have any predators.
They might introduce other organisms like viruses and bacteria.*******
They may be able to eat all kinds of native organisms.
What happens after coral is bleached?(1 point)
It releases algae into the ocean.
It produces peroxides.
It dies immediately.
It is susceptible to starvation.******
The most biodiverse ecosystem in the world is likely a(1 point)
tundra.
desert.***********
coral reef.
rainforest.
The Florissant Fossil Beds in Colorado are home to several massive redwood stumps that were subjected to a special kind of fossilization millions of years ago. What service could these fossilized stumps most likely provide?(1 point)
soil creation
lumber*********
shelter
tourism
Biodiversity Unit Test
8 of 14Items
Item 8
Marine biologist Dr. James Estes researched sea otters and their habitats in the Aleutian Islands of the North Pacific Ocean. Sea otters feed on animals such as crabs and urchins. Islands with sea otters contained a lot of kelp, a seaweed that is an important food source for fish and other sea animals. Islands without otters had large populations of urchins but no kelp. Given this information, what term best describes the otter in the Aleutian Islands ecosystem?(1 point)
keystone species
producer
apex predator
consumer************
Biodiversity Unit Test
8 of 14Items
Item 8
Marine biologist Dr. James Estes researched sea otters and their habitats in the Aleutian Islands of the North Pacific Ocean. Sea otters feed on animals such as crabs and urchins. Islands with sea otters contained a lot of kelp, a seaweed that is an important food source for fish and other sea animals. Islands without otters had large populations of urchins but no kelp. Given this information, what term best describes the otter in the Aleutian Islands ecosystem?(1 point)
keystone species*******
producer
apex predator
consumer
Your friend John is having trouble with his compost bin. The material in his compost pile doesn’t seem to be decomposing well. You take a sample of the pile and check for the presence of microorganisms under the microscope. You see that there are indeed microorganisms; however, they don’t appear to be growing very fast. John says that he regularly mixes his compost pile to expose it to oxygen. What is the most likely explanation for this problem?(1 point)
The temperature may be too high for microorganisms to tolerate.
Inorganic materials may have been included in the compost pile.
Inappropriate food waste may have been included in the compost pile. *
The temperature may not be high enough to encourage microorganism growth.
“Green” material has high amounts of (1 point)
phosphorus.
magnesium.*******
nitrogen.
carbon
Some students decide to plant their own garden. They want to eat a more plant-based diet. For meat, they will buy locally from a butcher. Any remaining scraps will be composted and used as fertilizer for their garden.
Which part of this plan represents recycling to reduce their waste?
(1 point)
eating a plant-based diet
planting a garden
buying locally****
composting scraps
1. Frog
2. Birds
3. It eats a wide variety of food
4. They might introduce other organisms like viruses and bacteria
5. It is susceptible to starvation
6. Coral reef
7. Tourism
8. Keystone species
9. The temperature might not be high enough to encourage microorganism growth
10. Nitrogen
11. Composting scraps
The rest you have to type out yourselves but I hope this helps! :)
1. Grasshopper
2. Birds
3. It breeds rapidly and has no predator in this environment
4. They might introduce other organisms like viruses and bacteria
5. It is susceptible to starvation
6. Coral reef
7. Tourism
8. Keystone species
9. The compost pile contain incorrect amount of green and brown
10. Nitrogen
11. Composting scraps
The rest you have to type out yourselves but I hope this helps! :)