Kinds of Ecosystems

Which two ecosystems are terrestrial?

• ponds and lakes

• forests and estuaries

• oceans and grasslands

• forests and grasslands

Which is a difference between the plant life of a rainforest and a deciduous forest?

• The deciduous forest has a warm climate year-round, while the rainforest has hot and cold extreme climates.

• The deciduous forest has the most diverse plant life of all ecosystems, while the rainforest plant life is scarce.

• The deciduous forest remains hot and wet year-round, while the rainforest has a yearly cycle of plant growth due to changes of seasons.

• The deciduous forest has yearly cycles of plant growth due to changes of seasons, while the rainforest remains hot and wet year-round.

Which best describes what makes one ecosystem different from another?

• the amount of sunlight, rainfall, temperature, and species types

• the amount of animals, oxygen, plant life, and pollution

• the amount of carbon dioxide, oxygen, water, and soil

• the amount of soil, water, buildings, and humans

Which could be a challenge for a small animal living in a grassland ecosystem?

• The frozen ground is too hard to serve as shelter.

• The flat terrain makes it easy for predators to spot prey.

• The extreme temperatures require thick skin and heavy fur.

• The high amounts of precipitation create excess water resources.

Which marine ecosystem would be best for organisms that can adapt to both salt water and fresh water?

• estuary

• lake

• pond

• river

Which ecosystem has the greatest biodiversity?

• grassland

• desert

• ocean

• lake

Which lists animals that live in an aquatic ecosystem?

• black bear, deer, vole

• ducks, turtles, amphibians

• panthers, monkeys, snakes

• prairie dogs, bison, grasshoppers

Which is a difference between abiotic and biotic factors?

• Abiotic factors are plants and biotic factors are animals.

• Biotic factors are plants and abiotic factors are animals.

• Abiotic factors are all living things and biotic factors are all nonliving things.

• Abiotic factors are all nonliving things and biotic factors are all living things.