chapter 1

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organism

A(n) ______ is a living individual that consists of one or more cells

organelles

Compartments within cells that carry out specific functions are called

Taxonomy

The science of naming and classifying organisms

Inherited traits, characteristics, or behaviors that enable an organism to survive and reproduce successfully in its environment are called

adaptation

In reproduction, genetic information comes from only one parent; whereas, in reproduction, genetic information from two parents unites to form an offspring.

asexual and sexual

The following lists the levels of biological organization in order from smallest to largest. Fill in the missing components:

atom, molecule, organelle, cell, tissue, organ AMOCTO

particles that make up molecules are called

atoms

primary producers

autotroph that obtains energy and nutrients from nonliving sources

Hypotheses are often tested with an investigation called a(n) Multiple choice question.

experiment

consumer

heterotroph that obtains energy and nutrients by eating other organisms

Decomposer

heterotroph that obtains energy and nutrients from wastes and dead organisms

What describes the state of internal constancy maintained by an organism

homeostasis

The presence or absence of a vaccine in the experiment shown comprises the ______ variable.

independent variable

It can be difficult to scientifically study events that occurred in the past and that left little evidence because

it can be hard to accurately re-create conditions from the past.

It can be difficult to scientifically study events that occurred in the past and that left little evidence because Multiple choice question.

it can be hard to accurately re-create conditions from the past.

atoms can bond together to form

molecules

A leaf is composed of several tissues organized to work together and is a(n) ______ of a plant.

organ

What is a structure consisting of tissues organized to interact and carry out specific functions?

organ

Organisms that make their own food by obtaining energy and nutrients from nonliving sources are called

primary producers

Select all the questions that are difficult to answer using science.

questions about morality questions about the meaning of life

What uses evidence and experiments to test ideas and answer questions?

scientific method

What is the science of naming and classifying organisms?

taxonomy

An example of a practical application of scientific knowledge is

technology

A(n) ______ is an explanation for a natural phenomenon that has been well tested and ties together many hypotheses.

theory


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