Chapter 1: Levels of Organization

Question 1

Biology

Answer 1

the study of life or living things

Question 2

What are the 8 Characteristics of living organisms?

Answer 2

Homeostasis, Adapt to conditions, Respond to stimuli, Develop and grow, Composed of cells, Organized, Reproduce, Energy use.
(HARDCORE)

Question 3

Homeostasis

Answer 3

The characteristics of the organs internal environment remain tightly controlled

Question 4

Adapt to Conditions

Answer 4

organisms can change some aspects of their appearance, or habits to survive in a changing environment. Offspring with these favorable traits will survive

Question 5

Respond to stimuli

Answer 5

a feature of the environment (noise, light, temperature, predators, etc.) causes organisms to make a change

Question 6

Develop and Grow

Answer 6

over time organisms increase in size and change in appearance

Question 7

Composed of Cells

Answer 7

all organisms are either uni or multi cellular

Question 8

Organized

Answer 8

at every level of organization specific creatures perform specific functions

Question 9

Reproduce

Answer 9

survival of the species is assured since organisms have offspring

Question 10

Energy use

Answer 10

all organisms either make their own food or consume other organisms as a source of food

Question 11

Biosphere

Answer 11

Regions of the earth’s crust water and atmosphere that sustain life

Question 12

Ecosystem

Answer 12

all living and nonliving things that support life in an area

Question 13

Community

Answer 13

all populations of living organisms that live in an area

Question 14

Population

Answer 14

all the organisms of the same species that live in an area

Question 15

Species

Answer 15

a group of organisms that are so similar that they can interbreed and have fertile offspring

Question 16

Organ system

Answer 16

group of organs that work together to perform a function for an organism

Question 17

Organ

Answer 17

a group of tissues of different types that work together to perform a function

Question 18

Tissue

Answer 18

a group of cells of the same type that work together to perform a function

Question 19

Cell

Answer 19

smallest unit of a living thing that displays the characteristics of a living organism

Question 20

Organelle

Answer 20

structure inside a cell made of many molecules that performs a function for the cell

Question 21

Molecule

Answer 21

two or more atoms chemically bonded together

Question 22

Atom

Answer 22

smallest particle of an element that has the properties of that element

Question 23

Subatomic particle

Answer 23

protons, neutrons, electrons

Question 24

Microscope

Answer 24

an instrument that produces an enlarged, focused image of a specimen

Question 25

Electron Microscope

Answer 25

uses magnets to focus a beam of electrons

Question 26

Compound light microscope

Answer 26

uses a lens to focus light rays; 2 lenses

Question 27

Who invented the compound light microscope?
What did he/she do for a living?
When did he/she invent it?

Answer 27

Anton van Leeuwenhoek
Dutch draper who ground lenses as hobby
1674

Question 28

Resolution

Answer 28

the smallest distance that can be clearly seen between two points (focus)

Question 29

Magnification

Answer 29

the enlarging of an image