Question

1.) Describe an ecosystem. Choose three answers (1 point) Responses a place that is devoid of life with varying climates a place that is devoid of life with varying climates a large area where the climate is the same a large area where the climate is the same a complex and interconnected system a complex and interconnected system a community of living organisms interacting within a specific area a community of living organisms interacting within a specific area Question 2 2. What is biodiversity?(1 point) Responses a monoculture of potatoes a monoculture of potatoes variation of life found in an ecosystem variation of life found in an ecosystem an ecosystem devoid of life an ecosystem devoid of life a keystone species found in an ecosystem a keystone species found in an ecosystem Question 3 3. What is a keystone species?(1 point) Responses One species in an ecosystem is so important that if you remove it the ecosystem falls apart. One species in an ecosystem is so important that if you remove it the ecosystem falls apart. The rarest species in the ecosystem. The rarest species in the ecosystem. The most abundant species in the ecosystem. The most abundant species in the ecosystem. the largest predator in an ecosystem. the largest predator in an ecosystem. Question 4 4.) What do humans do for biodiversity?(1 point) Responses Humans increase biodiversity by deforestation and planting monoculture crops. Humans increase biodiversity by deforestation and planting monoculture crops. Humans decrease biodiversity by deforestation and planting monoculture crops. Humans decrease biodiversity by deforestation and planting monoculture crops. Humans increase biodiversity by being apex predators. Humans increase biodiversity by being apex predators. Humans decrease biodiversity by being apex predators. Humans decrease biodiversity by being apex predators. Question 5 5.) Why are jaguars keystone species?(1 point) Responses Jaguars have large jaws and teeth making them excellent predators. Jaguars have large jaws and teeth making them excellent predators. Jaguars eat one species and act as a population control. Jaguars eat one species and act as a population control. Jaguars eat a wide variety of species and act as a population control. Jaguars eat a wide variety of species and act as a population control. Jaguars are large, beautiful, fast, and agile predators. Jaguars are large, beautiful, fast, and agile predators. Question 6 6.) Why is the sea otter a keystone species?(1 point) Responses They make a good food source for Orca whales. They make a good food source for Orca whales. They keep kelp forests in check so the kelp doesn't destroy the sea urchin population. They keep kelp forests in check so the kelp doesn't destroy the sea urchin population. They keep sea urchin populations in check by eating sea urchins. This way the sea urchins won't destroy kelp forests. They keep sea urchin populations in check by eating sea urchins. This way the sea urchins won't destroy kelp forests. They are friendly to all animals. They are friendly to all animals. Question 7 7.) Fill in the blanks from the quote by E.O Williams(1 point)

Answer 1

Sure, here are the answers based on the questions provided:

1. **Describe an ecosystem. Choose three answers (1 point)**
- a complex and interconnected system
- a community of living organisms interacting within a specific area

2. **What is biodiversity? (1 point)**
- variation of life found in an ecosystem

3. **What is a keystone species? (1 point)**
- One species in an ecosystem is so important that if you remove it the ecosystem falls apart.

4. **What do humans do for biodiversity? (1 point)**
- Humans decrease biodiversity by deforestation and planting monoculture crops.

5. **Why are jaguars keystone species? (1 point)**
- Jaguars eat a wide variety of species and act as a population control.

6. **Why is the sea otter a keystone species? (1 point)**
- They keep sea urchin populations in check by eating sea urchins. This way the sea urchins won't destroy kelp forests.

7. **Fill in the blanks from the quote by E.O Williams (1 point)**
- Unfortunately, without the specific quote, I'm unable to provide the words to fill in the blanks. Please provide the quote or the specific context, and I would be glad to help!