Biology Chapter 1 McGraw Hill Help

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The variable of an experiment is

A changeable element of an experiment

What is DNA

A molecule that encodes genetic instructions

an _ is an inherited characteristic or behavior which enables an individual to survive better than without the inherited characteristic

Adaptation

Select all of the following that are examples of data collection by experimentation.

Adminstering chemicals from tobaccco cells and recording the results Test of a hypothesis under controlled conditions

Three Domains

Bacteria, Archaea, Eukarya

A level of biological organization called the _ includes all parts of Earth and its atmosphere where life can survive.

Biosphere

Select all of the following that are ways to collect data in a scientific inquiry.

Discovery Science Experimentation

What biological level includes the living and nonliving components of a particular area

Ecosystem

Select all the following that are characteristics of a scientific theory

Encompass multiple hypotheses can be used to make predictions falsifiable widely accepted and supported

All living things are composed of one or more cells, use _ to grow and reproduce, and maintain a state of internal constancy.

Energy

All the types of data and characteristics that scientists can use to help compare evolutionary relationships between organisms.

Genetic characteristics biochemical aspects cellular attributes anatomical features

Each type of organism is assigned a unique, two-part scientific name, which consists of the _ of the organism.

Genus and specific descriptor

Fungi

Heterotrophs; obtain food by external digestion

Animalia

Heterotrophs; obtain food by ingestion

What is a group of joined atoms (Such as DNA)

Molecule

Plantae

Multicellular, almost all are autotrophic organisms

Select all the true statements about double-blind studies.

Neither the researchers nor the participants know who received the placebo and who received the treatment substance. A double-blind study helps avoid bias in medical research.

Compartments within cells that carry out specific functions are called

Organelles.

In a new environment, what types of organisms will survive under the force of natural selection?

Organisms with the highest reproductive success

All the characteristics of life

Organization evolution energy use reproduction,growth, development homeostasis, or maintenance of internal constancy,.

Select all of the following that can be limitations to scientific inquiry

Reluctance to accept unexpected conclusions Biases of scientists misinterpretations of results

What is the basic unit of classification and is denoted by a unique two-party scientific name?

Species

Select all of the established scientific ideas that were later revised due to technological inventions and new data analysis methods.

The Earth is the center of the universe. The Earth is flat. All organisms are either plants or animals.

independent variable

The experimental factor that is manipulated; the variable whose effect is being studied.

dependent variable

The outcome factor; the variable that may change in response to manipulations of the independent variable.

What statement describes a cell?

The smallest unit that can be called life

Protista

Unicellular and Multicellular organisms; autotrophic and heterotrophic organisms.

standardized variable

any factor held constant for all subjects in an experiment

Particles that make up molecules are called

atoms

New complex functions and characteristics that arise when the lower level components of an organism interact are called _ properties

emergent

Natural __________ is a mechanism of evolution in which certain individuals from a population exhibit enhanced reproductive success based on inherited characteristics

selection

Organs are made up of

tissues


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