Organization of Living Things

Question 1

Anatomy

Answer 1

study of body structures

Question 2

physiology

Answer 2

study of how structures of the body function

Question 3

What is the organization of living things?

Answer 3

Atoms, molecules, organelles, cells, tissues, organs, organ systems, organism, populations, community, ecosystems, biomes

Question 4

Atom

Answer 4

the smallest unit of matter; consists of 3 subatomic parts

Question 5

Protons

Answer 5

Positive charge; located in nucleus; atomic number; atomic mass

Question 6

Neutrons

Answer 6

no charge; located in nucleus; atomic mass; Helps stabilize the nucleus by blocking the repelling forces of the protons

Question 7

Electrons

Answer 7

negative charge; orbits the nucleus; responsible for chemical bonding

Question 8

Isotopes

Answer 8

Atoms of the same element with a different # of neutrons.

Question 9

Ions

Answer 9

Atoms that have gained or lost an electron

Question 10

Anion

Answer 10

Negative ions

Question 11

Cation

Answer 11

positive ions

Question 12

Molecules

Answer 12

Formed by the bonding of atoms

Question 13

Organelles

Answer 13

small structure in the cell that performs a function

Question 14

Cell

Answer 14

The smallest unit of living matter

Question 15

Eukaryotes

Answer 15

True nucleus; has a membrane and membrane-bound organelles;

Question 16

Prokaryotes

Answer 16

No true nucleus; no membrane-bound organelles; single chromosome circular; monera (bacteria)

Question 17

Tissues

Answer 17

groups of similar cells working together. 4 major types

Question 18

Connective Tissue

Answer 18

Joins things; ex - blood, bone

Question 19

Epithelial Tissue

Answer 19

covering; ex - skin

Question 20

Muscle Tissue

Answer 20

Contracts

Question 21

Nervous Tissue

Answer 21

controls

Question 21

Organ

Answer 21

groups of tissues working together

Question 22

Organ System

Answer 22

groups of organs working together

Question 23

Organism

Answer 23

An individual living thing, made up of organ systems

Question 24

Population

Answer 24

group of similar organism living together

Question 25

Community

Answer 25

interacting population

Question 26

Ecosystem

Answer 26

communities interacting with their environment

Question 27

Biomes

Answer 27

Large geographical area identifies by a certain climate and flora (plants) and fauna (animals)