science vocab

Question 1

A close relationship between two different organisms living together.

Answer 1

Symbiotic Relationship

Question 2

A relationship in which both species benefit.

Answer 2

Mutualism

Question 3

A relationship between a parasite and it’s host.

Answer 3

Parasitism

Question 4

A relationship where one species benefits without benefiting or harming the other species.

Answer 4

Commensalism

Question 5

A relationship in which one animal hunts, kills, and eats another.

Answer 5

Predation

Question 6

This occurs when organisms in an ecosystem try to get the same resources.

Answer 6

Competition

Question 7

Organisms that produce their own food.

Answer 7

Producers

Question 8

Organisms that get their energy from consuming other organisms.

Answer 8

Consumers

Question 9

Organisms that break down remains of dead organisms for energy.

Answer 9

Decomposers

Question 10

How an organism acts in its ecosystem.

Answer 10

Niche

Question 11

Organisms that live in the same habitat but rely on different resources.

Answer 11

Co-Existence

Question 12

A group of organisms of the same species that live in a specific area.

Answer 12

Population

Question 13

The variety of life.

Answer 13

Bio-Diversity

Question 14

A community of biotic and abiotic factors interacting.

Answer 14

Ecosystem

Question 15

An interacting group of various species in a common location, like a forest.

Answer 15

Community

Question 16

The region of earth that encompasses all living organisms.

Answer 16

Bio-Sphere

Question 17

Non-living parts of an ecosystem.

Answer 17

Abiotic Factor

Question 18

Living parts of an ecosystem.

Answer 18

Biotic Factor

Question 19

Anything that constrains a populations size and slows or stops it from growing.

Answer 19

Limiting Factor

Question 20

The average number of organisms that can inhabit a given unit area or volume.

Answer 20

Population Density

Question 21

The number of organisms that an ecosystem can sustainably support.

Answer 21

Carrying Capacity

Question 22

A network of interconnected food chains in an ecosystem.

Answer 22

Food web

Question 23

Each feeding level in an ecosystem.

Answer 23

Trophic Level

Question 24

Graphical representation of the trophic levels (nutritional) by which the incoming solar energy is transferred into an ecosystem.

Answer 24

Energy Pyramid

Question 25

An organism that produces it's own food.

Answer 25

Autotrophs

Question 26

Organisms that cannot produce their own food.

Answer 26

Heterotrophs

Question 27

This ecosystem is found on land.

Answer 27

Terrestrial Ecosystem

Question 28

This ecosystem includes wherever there is salt water.

Answer 28

Aquatic Ecosystem

Question 29

The movement of nitrogen through the environment.

Answer 29

Nitrogen Cycle

Question 30

Carbon moves among the air; the ground and the plants / animals.

Answer 30

Carbon Cycle

Question 31

Science that deals with the physical history of the earth and the changes it is and has undergone.

Answer 31

Geological Evolution

Question 32

A theory that states the Earth's crust is made up of a number of plates that move

Answer 32

Theory of Tectonic Plates

Question 33

How biologists group organisms, rooted in by Aristotle

Answer 33

Biological Classification

Question 34

The study of similarities and differences of the body structures of different species to determine their ancestry or relationship

Answer 34

Comparative Anatomy

Question 35

An organism that shares similar traits from two different previous generations or ancestors

Answer 35

Common ancestor

Question 36

Structures that have different mature forms but develop from the same embryonic tissue

Answer 36

Homologous structures

Question 37

Structures in different species that has similar appearance of function but have evolved separately thus do not share a common ancestor

Answer 37

Analogous structures

Question 38

Remnants of structures that were once functional in ancestor, (now reduced in size and have little or no function)

Answer 38

Vestigial structures

Question 39

A branch of biology that early life stages and their development

Answer 39

Embryology

Question 40

When organisms change over time, so modern organisms descended from ancient ones

Answer 40

Theory of evolution

Question 41

Any genetic change in a population that is inherited over several generations

Answer 41

Biological evolution

Question 42

Diversity in gene frequencies between individuals or populations

Answer 42

Genetic variation

Question 43

Randomly occur to produce variations

Answer 43

Genetic mutation

Question 44

The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment

Answer 44

Phenotype

Question 45

Intentional breeding of plants and animals to preserve traits that breeders want

Answer 45

Artificial Selection

Question 46

The variety of life in the world, or in a specific habitat or ecosystem

Answer 46

Biodiversity

Question 47

The process where organisms better adapted to their environment tend to survive longer and produce more offspring

Answer 47

Natural Selection

Question 48

The genetic contribution of an individual to the next generation’s gene pool

Answer 48

Biological Fitness

Question 49

Inherited traits that improve an organism’s chance of survival and reproduction in a certain environment

Answer 49

Adaptation

Question 50

Science that deals with the physical history of the Earth and the changes it is and has undergone

Answer 50

Geological Evolution

Question 51

A theory that states the Earth’s crust is made up of a number of plates which move over a liquid crust that get created and destroyed over time

Answer 51

Theory of plate tectonics

Question 52

Two hundred million years ago (Mya), research suggests that all the continents were one large mass

Answer 52

Pangea

Question 53

States that in undisturbed rock layers, the oldest rock is on the bottom and the youngest rock in on top

Answer 53

Law of Superposition

Question 54

Any fossil which gives us information about a transition from one species to another; helps support the Theory of Evolution

Answer 54

Transitional Fossil

Question 55

A remnant (part), impression, or trace of an animal or plant of a past geologic age that has been preserved (saved) in Earth’s crust

Answer 55

Fossil