BIO Exam 1

The independent variable is the variable we have hypothesized to cause the observation we made (what we think will impact the outcome of the experiment)

• True

• False

A scientific law is a ____________ of an observed natural phenomenon

• hypothesis

• description

• prediction

• explanation

A botanist (plant biologist) has observed that three different species of desert plants in their native environment. The researcher proposes that these plants drop their leaves in extreme dry conditions to conserve water. This is an example of:

• prediction

• theory

• law

• hypothesis

When we perform hypothesis testing, we are looking to prove our hypothesis as correct 

• true

• false

A scientific theory is a broad explanation of some aspect of the natural world that is substantiated by:

• a large body of evidence

• anecdotal evidence

• scientific laws

• theories are not substantiated by anything

Biology is:

• the record of all living things

• the scientific study of books about people

• the scientific study of living things

• the scientific study of chemical reactions

scientific communication is a key part of science

• true

• false

The scientific method starts with an observation that sparks a question.

• true

• false

psuedo means

• authentic/true

• deceptive/false

• well tested

• verifiable

Molecules with ionic and/or polar covalent bonds tend to dissolve in water and are called

• hydrophobic

• hydrophillic

• amphiphillic

• amphipathic