Ecology Unit 6A 2018

In an ecosystem, which of the following is considered an autotroph?

• Woodland animals that collect insects and nuts for humans

• Any organism that forms a symbiotic relationship

• Blackberry bushes that make their own food by using energy from the sun

• Animals that become food for larger animals

Which of the following is the correct organizational level for the environment going from largest to smallest?

• community, population, ecosystem, biome

• biome, ecosystem, organism, cell

• biosphere, ecosystem, biome, community

• biosphere, biome, ecosystem, community

Which of the following is an abiotic part of an ecosystem?

• total amount of daylight

• total amount of bacteria

• total amount of omnivores

• total amount of decomposers

According to the food web pictured here, which one of the following organisms would be an omnivore?

• sparrow

• grasshopper

• deer mice

• wren

When a honeybee pollinates flowers, the bee gets access to nectar, while the flowers gain the chance to reproduce. This is an example of:

• Ammensalism

• Commensalism

• Parasitism

• Mutualism

From the food web, which organisms are herbivores?

• foxes and snakes

• mice and rabbits

• grasshoppers and mice

• rabbits and grasshoppers

If the organisms above were arranged in an energy pyramid, which organism would have the most amount of total energy available for other organisms?

• grasshoppers

• grass

• sparrows

• mice

Using the food web, which of the following is considered a carnivore?

• mice

• rabbit

• grasshopper

• frogs

This biome contains mostly conifers, such as spruce trees and Douglas firs, which are both evergreen. The winters are long and cold and the summers are short and rainy. The soil is very rich. Moose and elk live here. This biome is classified as a

• tundra

• taiga

• deciduous forest

• tropical rainforest

According to the picture above, from what primary source do the organisms receive the energy needed to sustain themselves?

• from marine plants

• from sea turtles

• from humans

• from sunlight energy