A change in allele frequency due to chance

A factor that favors the survival of an organism with a particular trait

How clear the water is or the level of debris in water

The addition or removal of a predator that impacts all trophic levels in an ecosystem

material cycle or nutrient cycle

The movement of molecules into and out of organisms and the environment

The movement of molecules containing carbon into and out of organisms and the environment

The movement of molecules containing nitrogen into and out of organisms and the environment

Molecules containing carbon that humans release into the atmosphere through processes like burning fossil fuels

nitrogen fixing bacteria

Bacteria that change nitrogen into a form that plants can use

The process where decomposer organisms break down dead organisms and release molecules containing carbon back into the environment

Organisms such as bacteria and fungi that break down dead organisms and release molecules containing carbon into the environment.

An organism that if removed from an ecosystem will cause that ecosystem to become unstable.

The movement of molecules from a high concentration to a low concentration.

Many different types of organisms in an ecosystem.

Preservation of species

Protecting and maintaining species in their natural habitat.

Openings in the underside of the leaf, allow carbon dioxide in and oxygen and water vapor out.

Cells surrounding the stomates that control the opening and closing of the stomates.

Part of the cell where photosynthesis occurs.

Process used by plants to convert the energy from sunlight into glucose.

Process used by all organisms to convert glucose into ATP which can be used by cells & organism for energy.

Part of the cell where respiration occurs.

The energy molecule produced through respiration.

A molecule produced when oxygen levels are low.

A steady state or state of balance in an ecosystem, organism or cell.

The normal value, ex. normal body temperature.

A mechanism to respond to a change in the body and return the body to a set point, return to homeostasis.

Part of lung where gas exchange takes place

A tube-like structure that carries blood

The variable that causes a change in the dependent variable, what the experimenter is testing

The experimenter doesn’t know what will happen with this variable, this is the data that is measured

Items kept the same throughout the experiment so that only one variable is tested

A group of the same species living in the same area

Organism that can make its own food

Organism that cannot produce its own food and must eat other plants and/or animals to get energy

Organism that feeds solely on plants

Homeostasis Storyline Flashcards Flashcards

Student preview

47 questions

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1.

FLASHCARD QUESTION

Front

carrying capacity

Back

The maximum number of a species that an ecosystem can support

2.

FLASHCARD QUESTION

Front

abiotic

Back

Non-living thing

3.

FLASHCARD QUESTION

Front

biotic

Back

Living thing

4.

FLASHCARD QUESTION

Front

acidification

Back

The lowering of the pH to create a more acidic environment

5.

FLASHCARD QUESTION

Front

pH

Back

A measurement of how acidic or basic a substance is

6.

FLASHCARD QUESTION

Front

calcium carbonate

Back

The main component of sea urchin shells

7.

FLASHCARD QUESTION

Front

natural selection

Back

When organisms with traits best suited for the environment survive

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