Chapter 1 material

Question 1

the study of life

Answer 1

Biology

Question 2

what are these characteristics?:
1. Made of cells and displays organization
2. Requires materials and energy
3. Maintains homeostasis
4. Responds to stimuli
5. Reproduces and develops/grows
6. Adaptations evolve over time

Answer 2

characteristics of organisms

Question 3

the basic units of matter

Answer 3

Atoms

Question 4

made of atoms

Answer 4

Molecules

Question 5

made of molecules

Answer 5

Cells

Question 6

that is multicellular (has more than
one cell)

Answer 6

Tissue

Question 7

made of tissue

Answer 7

Organs

Question 8

made of different organs

Answer 8

Organ systems

Question 9

made of several organ systems

Answer 9

Organism

Question 10

In an individual organism

Answer 10

atoms, molecules, cells,tissue, organs, organ systems, organism

Question 11

beyond an individual organism

Answer 11

Species, populations, communities, ecosystems, and biosphere

Question 12

a group of similar organisms

Answer 12

species

Question 13

all the members of a species in one area

Answer 13

population

Question 14

all the various species in a given area

Answer 14

community

Question 15

where the community interacts with the
physical environment (water, land, climate). Several
similar ecosystems on Earth are called biomes.

Answer 15

ecosystems

Question 16

all ecosystems/biomes on the livable parts
of Earth, including the lithosphere (land masses),
stratosphere (air), and the hydrosphere (water).

Answer 16

biosphere

Question 17

Cells use nutrient molecules to make their parts and products. All of these chemical reactions that take place in
a cell

Answer 17

metabolism

Question 18

a state of biological balance
to stay alive

Answer 18

Homeostasis

Question 19

something in the environment
that causes a reaction.

Answer 19

Stimulus

Question 20

standard series of steps in gaining new
knowledge that is widely accepted among scientists.

Answer 20

the scientific method

Question 21

what steps are used in the scientific method

Answer 21

1. Observation
2. hypothesis
3. experiments
4. Presenting the data

Question 22

a direct method of gathering information by asking questions and “seeing what
happens”

Answer 22

Observation

Question 23

a possible explanation for a natural event using inductive reasoning

Answer 23

hypothesis

Question 24

procedures designed to collect data for the purpose of testing a hypothesis.
Scientists use deductive reasoning

Answer 24

experiments

Question 25

Data from experiments can be presented in a variety of formats, such as tables and graphs, which are useful tools in visual displaying information.

Answer 25

Presenting the data

Question 26

using creative thinking to combine isolated facts into a cohesive whole idea.

Answer 26

inductive reasoning

Question 27

are concepts that join together well-supported and related hypotheses. If theories are broadly accepted for a long length of time by many observations and experiments, it becomes a scientific
principle/law.

Answer 27

Theories

Question 28

which is the application of scientific
knowledge and advances to the interest of humans

Answer 28

technology

Question 29

the changes in normal cycles of Earth’s climate that may be attributed to human activity.

Answer 29

Climate change

Question 30

absorbs the sun’s rays and radiates them back to Earth

Answer 30

global warming (used to be called the greenhouse effect)

Question 31

We are currently losing hundreds of species every year due to human activities.

Answer 31

Biodiversity and habitat loss