Invasive Species & Biodiversity
Food Chains and Food Webs
Energy and Matter
Food Webs
Relationships in Ecosystems
100

An invasive species is introduced to a forest ecosystem. The introduction of this species will most likely cause an increase or decrease in biodiversity?

What is decrease?

100

This term refers to a single line sequence of who eats whom in an ecosystem.

What is a food chain?

100

The main source of energy for all ecosystems. 

What is the sun?

100

Arrows in a food chains and food webs represent?

What is the flow of energy?

100

Converts sunlight through the process of photosynthesis.

What is a producer?

200

This type of species, often introduced accidentally or intentionally, has negatively affected ecosystems by competing with native species for resources.

What is an invasive species?

200

A system of interconnected food chains is known as a?

What is a food web?

200

If animals eat plants to get energy, where do plants get their energy?

What is the sun?

200

An animal that eats only animals.

What is a carnivore?

200

Consumes other organisms and producers. (Cannot make its own food)

What is a consumer?

300

This term refers to the variety of different species and ecosystems on Earth.

What is biodiversity?

300

In a food web, this organism is typically at the top and has no natural predators.

What is the top (apex) predator? (Carnivore)

300

_______________ of energy is passed on to each level of consumer after producers. 

What is 10%

300

This animal is the one being hunted by a predator.

What is prey?

300

Break down dead organisms and return matter to the air and soil.

What is a decomposer?

400

This human activity, involving the destruction of forests, is a major threat to biodiversity.

What is deforestation? 

400

This process happens in plants, allowing them to turn sunlight into energy.

What is photosynthesis? 

400

This flows in one direction. Much of it is lost to the environment, but some is conserved as it goes from producers to consumers. 

What is energy?

400

This animal hunts and kills other animals for food.

What is a predator? 

400

These animals eat only plants and are found at the bottom of the food web.

What is a herbivore?

500

You are fishing for Largemouth bass in Forest Park.  After two hours of fishing, you have not caught any Largemouth bass, but you have caught several fish that you identify as non-native. Which reason most likely describes why you have been unable to catch any Largemouth bass?

What is the fish you have caught are invasive, and have outcompeted Largemouth bass for resources.

500

These organisms rely on other organisms for food and cannot produce it themselves.

What are consumers?

500

Continuously recycled by organisms and the amount of this in an ecosystems stays the same.

What is matter?

500

As you move up the energy pyramid, the amount of available energy _____ (increases/decreases).

What is decreases? 

500

This organism can be both a predator and prey in a food web.

What is an omnivore?