A consumer that eats plants and/or animals is called a _______________.
omnivore
The arrows in a food chain represent the direction and flow of ______________from one organism to another.
energy
If a species is endangered, then it may ______.
become extinct.
Plants and algae could not make food without ______.
sunlight
This biome is also called "Marine". It includes about 97% of Earth’s water, which is salty and can be a variety of temperatures.
Organisms that do not make their own food are called __________.
consumers
When plants and animals die, _______________ break down their bodies into nutrients.
decomposers
What happenes when one population in a food web changes (e.g.a population of mice decreases, a population of snakes increases)?
all organisms in the food web can be affects
How do primary consumers get energy in any ecosystem?
They eat producers.
This biome ihas very little precipitation (rain) and extreme temperatures. Most are hot, but some can be cold (Antarctica). Cacti, rattlesnakes, and camels live in this biome.
Desert
Living things in an environment are ________ factors.
biotic
What provides the initial (beginning) energy source for all ecosystems?
the sun
Which type of organism benefits from the presence of decomposers in an ecosystem?
Producers
(Because they get nutrients from the soil)
What type of consumer would NOT eat a producer?
A carnivore or tertiary consumer
This biome is located in warm tropical areas & have tall canopy of broadleaf trees. Organisms that live here include scarlet macaw, ferns, and orchids.
Nonliving things in an environment are called _______ factors.
(examples - water, rocks, dirt)
abiotic
_______ occurs when one or more organism in an ecosystem depends on same resource and fight for access to it.
Competition
In a forest food web, what organism could fit in place of the X below?
grass ----> X -----> frog ----> snake
grasshopper
Nutrients are added to the soil with the help of ____.
decomposers
This biome is a treeless ecosystem located in the cold Arctic region. Soil is frozen most of the year (permafrost) with short summers and long winters. Polar bears and arctic foxes live in this biome.
Polar Tundra
What do ALL of the living and nonliving things in an environment make up?
an ecosystem
Carnivores that eat secondary consumers are called ________________ consumers.
tertiary
_________________ species are non-native plant and animals species that have been introduced into an environment. They can have huge impacts on ecosystems.
Invasive
Why are predators an important part of every food chain?
They help control or limit population sizes.
Also known as the "deciduous" forest, this biome has many trees with needles or leaves, shrubs, grasses, & ferns. Animals like wolves and bears live in this biome.
Temperate