Biological Diversity Unit 1

Question 1

Species

Answer 1

Living things of the same kind that are able to reproduce successfully

Question 2

Biological diversity

Answer 2

The variety of species and their ecosystems

Question 3

Ecosystem

Answer 3

A specific environment where living things live and reproduce

Question 4

Population

Answer 4

The amount of a species

Question 5

Community

Answer 5

A group of populations

Question 6

Symbiosis

Answer 6

The relationship between 2 different species

Question 7

Commensalism

Answer 7

One benefits the other stays the same

Question 8

Mutualism

Answer 8

Both benefit

Question 9

Parasitism

Answer 9

One benefits the other is harmed

Question 10

Inter species competition

Answer 10

2 or more species using the same resource

Question 11

Niche

Answer 11

The role of an organism

Question 12

Resource partitioning

Answer 12

Division of a resource between 2 or more organisms

Question 13

Variability

Answer 13

Variations within a species

Question 14

Natural selection

Answer 14

A process in which the environment selects which individuals will survive and reproduce

Question 15

Heritable characteristics

Answer 15

Passed down from generation to generation

Question 16

Non heritable characteristics

Answer 16

Caused by the environment

Question 17

Discrete variation

Answer 17

Has an either or form such as being albino

Question 18

Continuous variation

Answer 18

Falls within a range like height

Question 19

Asexual reproduction

Answer 19

Only one parent

Question 20

Binary fission

Answer 20

A parent divides itself into an identical clone

Question 21

Budding

Answer 21

When the offspring grows as a bud on the parents then splits off when large enough

Question 22

Spores

Answer 22

A type of asexual reproduction in which certain organisms such as ferns, which can develop directly into an adult

Question 23

Vegetative reproduction

Answer 23

A type of asexual reproduction in plants that does involve a seed

Question 24

Sexual reproduction

Answer 24

2 parents with special sex cells

Question 25

Gametes

Answer 25

A sex cell either female or male unites with another fertilized cell

Question 26

Fertilization

Answer 26

The union of a male and female sex cell

Question 27

Zygotes

Answer 27

A fertilized egg

Question 28

Cleavage

Answer 28

The first divisions of a fertilized egg

Question 29

Embryo

Answer 29

An undeveloped organism in its beginning stages

Question 30

Cross pollination

Answer 30

The transfer of pollen to a completely different plant

Question 31

Cross fertilization

Answer 31

A gamete from a pollen grain to a gamete from an ovule to form a zygote

Question 32

DNA

Answer 32

Deoxyribonucliec acid, genetic material mainly found in the nuclei of cells

Question 33

genetic code

Answer 33

Arrangement of four chemicals letter on a DNA molecule that can be arranged

Question 34

chromosomes

Answer 34

A structure in which DNA is arranged and along which genes are located

Question 35

alleles

Answer 35

A possible form of gene

Question 36

mitosis

Answer 36

A type of cell division that produces two identical daughter cells from one parent

Question 37

meiosis

Answer 37

A type of cell division that produces four sex cells from one parent

Question 38

trait

Answer 38

A characteristic of a organism

Question 39

purebred

Answer 39

Referring to a plant or animal that has ancestors with the same trait

Question 40

hybrid

Answer 40

An organism produced by crossing two purebred organism to create a trait

Question 41

Dominant trait

Answer 41

The outward from observed when 2 opposite acting alleles are inherited

Question 42

Recessive trait

Answer 42

The outward observed only when 2 same acting, non dominant alleles are inherited

Question 43

Incomplete dominance

Answer 43

A pattern of inheritance seen when two different alleles are present but neither are dominant

Question 44

Extinction

Answer 44

There is no more of a species

Question 45

Extirpation

Answer 45

A local extinction (from a specific area)

Question 46

Overspecialization

Answer 46

Very special adaptations

Question 47

Artificial selection

Answer 47

the use of living things to make agricultural, industrial, or medicinal products

Question 48

In vitro fertilization

Answer 48

Fertilization outside the body

Question 49

Genetic engineering

Answer 49

Intentional altering of the DNA

Question 50

In-situ conservation

Answer 50

The maintenance of wild organisms

Question 51

Ex-situ conservation

Answer 51

The maintenance of organism outside of their ecosystems

Question 52

Clone

Answer 52

A genetically identical version of an individual

Question 53

Artificial insemination

Answer 53

The artificial collection and injection of sperm