Food Webs & Chains
Relationships
Limiting Factors
Biotic or Abiotic Factors
Aquatic Ecosystems
100
This is the bottom level of the energy pyramid.
What are producers (autotrophs)?
100
The role that a living thing has in its habitat is known as this.
What is niche?
100
Any factor or condition that limits the growth of a population in an ecosystem is called this.
What is a limiting factor?
100
Temperature
What is abiotic?
100

Streams and rivers are examples of this.

What are flowing water ecosystems?

200
Below is an example of a ______. cattail -> caterpillar -> frog -> water snake
What is a food chain?
200
These are features of organisms that make them more suitable to their environment.
What are adaptations?
200
The maximum population that an environment can support is called this.
What is carrying capacity?
200

Soil

What is abiotic?

200

Ponds and lakes are examples of this.

What are standing water systems?

300
These types of organisms that break down dead plant and animal matter into simpler compounds.
What are decomposers?
300
This occurs when two organisms are attempting to use the same resource.
What is competition?
300
The three limiting factors that affect an organism's success.
What are food, water, shelter (and space)?
300
A dead deer
What is biotic?
300
The part of the ocean that does not receive light.
What is the aphotic zone?
400
These are organisms that get their energy by eating other organisms.
What are consumers (heterotrophs)?
400
Organisms that benefit from each other are in this kind of relationship.
What is mutualism?
400
A predator's population will _____ when the prey population rises.
What is rise?
400
Rocks and minerals.
What is abiotic?
400
This type of plankton has animal like characteristics.
What is zooplankton?
500
Scientists use this word to describe a particular environment and all the living things that are supported by it.
What is ecosystem?
500
A relationship where on organisms is helped and the other is not affected is known as ____.
What is commensalism?
500
The way that humans are able to alter their environment's carrying capacity.
What is the use of science and technology (medicine)?
500

Grass

What is biotic?

500
The type of reaction, similar to photosynthesis, that microscopic organisms that live around undersea volcanoes conduct to produce energy.
What is chemosynthesis?
M
e
n
u