Quiz #1

Most ecosystems get energy from sunlight, which enters the ecosystem through photosynthesis.

• True

• False

An organism's _________ is defined as the environment in which it lives.

• habitat
• niche
• social structure
• ecosystem

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism
• mutualism
• parasitism
• predation

Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.  What kind of relationship is this?

• Mutualism 
• Parasitism 
• Commensalism 

What is a producer?

• an organism that gets energy from eating other organisms

• an organisms that uses sunlight to make its own food

• an organism that gets energy from eating dead organisms, non-living material or waste

An organism that gets energy from eating other organisms is a ______________

• producer

• consumer

• decomposer

A _____ refers to the role of a species in its ecosystem.

• ecosystem

• habitat

• niche

• population

Competition for resources within and between species plays an important role in evolution through natural selection.

• True

• False

Which among the following is an abiotic factor in a marine ecosystem?

• Fish larvae

• Plankton

• Seaweed

• Depth of water

________ is the study of how living things interact with each other and with their environment.

• Biology

• Botany

• Ecology

• Forestry