Unit 2: Ecology The Biosphere

Unit 2: Ecology The Biosphere

by Adam Lykens

Multiple Choice

All life on Earth is contained in the:

• biome

• biosphere

• population

• ecosystem

Open Ended

What is ecology?

Multiple Choice

A rabbit is an example of a(n):

• organism

• population

• community

• abiotic factor

Multiple Choice

All organisms that live in a place, together, with their physical environment

• community

• ecosystem

• population

• biosphere

Multiple Choice

Group of different populations that live together in a defined area

• organism

• community

• ecosystem

• population

Multiple Choice

Group of ecosystems that share similar climates and typical organisms

• population

• ecosystem

• community

• biome

Multiple Choice

Which of the following is an example of a biotic factor?

• high winds blowing across a plain

• water flowing in a stream

• Algae on a pond

• fire burning down a forest

Multiple Choice

Which of the following is an example of an abiotic factor?

• the number of wolves in the tundra

• the number of seedlings that sprout each year in a meadow

• the thickness of the ice shelf at the N pole

• a human out hiking

Open Ended

What is the ultimate source of energy?

Multiple Choice

Which of the following is an example of a producer?

• giant sequoia tree

• sand dollar

• snake

• bear

Multiple Choice

What is the process by which plants make their own food (carbohydrates) using energy from the sun?

• gel electrophoresis

• photosynthesis

• secondary consumption

• chemosynthesis

Multiple Choice

What is another term for a primary producer?

• heterotroph

• manual transmission

• consumer

• autotroph

Multiple Choice

These types of organisms obtain their energy by consuming something else.

• autotrophs

• heterotrophs

• producers

• trees

Multiple Choice

These types of organism obtain their energy by breaking down the organic material left by a dead organism

• carnivores

• decomposers

• omnivores

• herbivores

Multiple Choice

This is a network of feeding interactions made up of several food chains.

• food chain

• photosynthesis

• food web

• biome

Multiple Choice

Each step in a food chain or food wed is called a(n):

• trophic level

• level 5 damage

• apex predator

• food pyramid

Open Ended

How much of the energy is transferred to the next trophic level?