Ecosystems
Ecosystems
Biomes
Biomes & Food Chains
Food Chains
100

Living things in an environment are called ________.

What is biotic?

100

The living and nonliving things in an environment and all of their interactions is called an ____________.

What is an ecosystem?

100

A dry barren biome that is very hot in the day and can be freezing cold at night.

What is a desert?

100

A biome where the main plant is grass.

What is the Grassland or Savanna biome?

100

The energy for every food chain comes from the _____.

What is the sun?

200

Nonliving things in an environment are called _____.

What is abiotic?

200

The home of an organism is called its _________.

What is habitat?

200

The largest biome in the world.  It is a cool forest biome with long and cold winters, fir and spruce trees, ponds and lakes, and animals like bear and moose.

What is the coniferous forest biome?

200

This biome is found near the Earth's equator and it is hot and humid with plenty of rain.

What is the Tropical Rain Forest biome?

200

Every food chain always begins with this type of organism: ___________.

What is a producer?
300

The biosphere has 6 major ______________ that have unique climates, plants, and animals.

What is a biome?

300

_____________ refers to the weather pattern in an environment.

What is climate?

300

A cold, dry biome where the ground is frozen all year long! Most animals here hibernate or migrate during the winter.

What is the Tundra biome?

300

A food web shows how all the food chains in an ecosystem are connected. It also shows the relationships between predator and prey. Define:

predator - prey - scavenger

predator - hunts for food

prey - the animal that is being hunted

scavenger - eats the leftovers

300

Organisms that cannot make their own food and must eat other organisims for energy are called __________.

What are consumers?

400

What is the difference between a community and a population?

Community - a group of several species living together in an ecosystem

Population - a group of one species living in an ecosystem

400

All the members of a specific species is called a ______________.

What is a population?

400

This biome often has cold winters and warm summers.  Trees like Maple and Oak usually lose their leaves during autumn each year here.

What is the Deciduous Forest biome?

400

Explain what competition is in a food web and ecosystem.

Competition is the struggle between organisms for food, water, and other needs like shelter.

400

Organisms that break down dead and decaying matter, returning the nutrients to the soil.

What are decomposers?

500

Describe mutualism, commensalism, and parasitism.

How organisms relate to one another:

Mutualism - both benefit

Commensalism - one organism benefits and the other is unaffected

Parasitism - one organism benefits while the other is harmed

500

All the populations of different species that make up an ecosystem is called a ______________.

What is a community?

500

There are also water biomes. Name 2 types of water biomes.

Freshwater and Ocean.

500

Name the 4 distinct vertical zones or layers of a Tropical Rain Forest.

Emergent - tallest trees sticking up

Canopy - moderately tall trees forming a layer

Understory - middle layer

Floor - lowest layer

500

Define the following:

herbivore

carnivore

omnivore

Herbivore - eats only plants (producers)

Carnivore - eats only meat (other animals)

Omnivore - eats plants (producers) and animals (consumers)