Answer:
Step-by-step explanation:
A square mile of tropical rainforest contains 36 mammal species. A square mile of tundra contains 4 mammal species.
What characteristic of ecosystems is being described above?
producers
abiotic factors
succession
biodiversity
2. Which of the following is most likely to decrease biodiversity?
Protecting more land from future housing developments
Reintroducing natural predators to an area
Clearing a forest to raise livestock for a nearby town
Adding native plants to a suburban garden
3. In the Kelp forest ecosystem, sea urchins eat kelp, and sea otters eat sea urchins.
What is the role of sea urchins in this ecosystem?
primary consumers
secondary consumers
primary producers
producers
4. What is the correct order of energy flow in an ecosystem?
sun → grass → rabbit
sun → rabbit → grass
fox → rabbit → grass
sun → fox → rabbit