Science Vocabulary Worksheet

A nonliving part of an ecosystem that shapes its environment. Some examples are: sun, water, soil, clouds, air. Fill in the blank: ________ is a nonliving part of an ecosystem that shapes its environment.

• Abiotic factor

• Biotic factor

• Producer

• Consumer

The impact of one organism or species on another, transmitted by a third. Fill in the blank: An ________ in nature is the impact of one organism or species on another, transmitted by a third.

• indirect interaction

• direct interaction

• mutualism

• predation

The impact or change in abundance of species A on species B in a two-species interaction. Fill in the blank: A ________ in nature is the impact or change in abundance of species A on species B in a two-species interaction.

• direct interaction

• indirect competition

• mutual exclusion

• trophic cascade

An ________ is an organism that causes ecological or economic harm in a new environment where it is not native.

• invasive species

• native species

• endangered species

• keystone species

A geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Fill in the blank: An ________ is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life.

• ecosystem

• continent

• habitat

• biosphere

Fill in the blank: ________ is the gradual accumulation of substances, such as pesticides or other chemicals, in an organism.

• Bioaccumulation

• Photosynthesis

• Evaporation

• Transpiration

The process by which a species becomes fitted to its environment. For example: camouflage is an example of this process. Fill in the blank: ________ is the process by which a species becomes fitted to its environment.

• adaptation

• mutation

• migration

• extinction

A substance that has protein, fat, or carbohydrates that supply energy and building materials for an organism in order to repair and grow. Fill in the blank: ________ is a substance that has protein, fat, or carbohydrates that supply energy and building materials for an organism in order to repair and grow.

• Food

• Water

• Oxygen

• Mineral

A living organism that shapes its environment. Fill in the blank: ________ is a living organism that shapes its environment.

• Biotic factor

• Abiotic factor

• Mineral

• Rock

A series of steps designed to help you solve problems and answer questions. Fill in the blank: ________ is a series of steps designed to help you solve problems and answer questions.

• Scientific method

• Hypothesis

• Observation

• Experiment