7th Grade Review

Question 1

Which members of an ecosystem are responsible for breaking down dead plants and animals

Answer 1

Decomposers

Question 2

Who developed the double helix model of DNA

Answer 2

Watson and crick

Question 3

The statement “all living organisms are made of one or more cells” is part of what theory

Answer 3

Cell theory

Question 4

Which cell organelle is responsible for storage

Answer 4

Vacuole

Question 5

Which two organelles are in plant cells only

Answer 5

Chloroplasts and cell wall

Question 6

Which form of a sexual reproduction forms a new organism from an outgrowth or bud on another organism

Answer 6

Budding

Question 7

Which body system is responsible for getting rid of waste

Answer 7

The excretory system

Question 8

Why are vertebrates able to regenerate and most vertebrates are not

Answer 8

Invertebrates have fewer specialized cells the. Vertebrates have

Question 9

If an organism reproduces asexually its offspring will be

Answer 9

Genetically identical to the parent

Question 10

Compared to human cells resulting from mitotic cell divisions human cells resulting from mitotic cell division would have

Answer 10

Home half the number of chromosomes

Question 11

Fertilization

Answer 11

The merging of an egg cell and a sperm cell

Question 12

Sexual reproduction

Answer 12

Type of reproduction in which there are two parents

Question 13

Mitosis

Answer 13

The division of one cell into many identical cells

Question 14

Asexual reproduction

Answer 14

Type of reproduction where there is only one parent

Question 15

Meiosis

Answer 15

Cell division necessary for sexual reproduction

Question 16

Metamorphosis

Answer 16

Series of changes in organism undergoes as it develops from an egg to an adult

Question 17

Organs

Answer 17

Group of tissue that works together

Question 18

Organ system

Answer 18

Group of organs which work together

Question 19

Cells

Answer 19

The smallest part of a living organism

Question 20

Tissues

Answer 20

A group of cells which worked together

Question 21

Nutrition

Answer 21

A process by which a orgasm takes in food and changes it to a usable form

Question 22

Homeostasis

Answer 22

A maintenance of a stable internal environment

Question 23

Which activity normally occurs in the esophagus of human

Answer 23

Process of peristalsis

Question 24

Which structure produces a substance the digest fats

Answer 24

Liver – produces bile

Question 25

In humans structures that Absorb most of the products of digestion are

Answer 25

VillI have the small intestines

Question 26

Arteries

Answer 26

They have thick walls and transport blood away from the heart

Question 27

An increase in breathing rate is caused by more

Answer 27

Carbon dioxide in the blood

Question 28

Mouth

Answer 28

Mechanical/chemical digestion

Question 29

Liver

Answer 29

Breakdown of fats

Question 30

Small intestine

Answer 30

Chemical digestion and absorption of nutrients

Question 31

Stomach

Answer 31

Protein digestion begins here

Question 32

Order tissues organisms cells and organs system in order from simplest to most complex

Answer 32

Cells tissues organs organ system

Question 33

Most of the hereditary information that determines the traits of an organism is located in

Answer 33

The nuclei of body cells of individual

Question 34

What must a leaf have for photosynthesis to occur

Answer 34

Chloroplast

Question 35

All members of a specific species, in a given time is called what

Answer 35

Population

Question 36

Animal

Answer 36

Multicellular, heterotrophic | Ex. Insect

Question 37

Protist

Answer 37

Unicellular with a neucules

Question 38

Plant

Answer 38

Multicellular, autotrophic Ex. Tree

Question 39

Kingdom

Answer 39

The largest group in the classification of living organisms

Question 40

Fungus

Answer 40

Multicellular, heterotrophic Ex. Mold, mushroom

Question 41

Dominant genes | Ex.(TT)

Answer 41

Trait that usually appears in offspring

Question 42

Resessive genes Ex.(tt)

Answer 42

Gene who's trait is not shown if paired with a dominant gene

Question 43

Heterozygous(hybrid) | Ex.(Tt)

Answer 43

Different pair of genes for a trait

Question 44

Homozygous(purebred) | Ex.(TT, tt)

Answer 44

Identical pair of genes for a trait

Question 45

Niche

Answer 45

A species role in their community

Question 46

Ecological succession

Answer 46

Process of change in the structure of an community over time

Question 47

Carnivore

Answer 47

Eats meat

Question 48

Decomposed

Answer 48

Break down food

Question 49

Producer

Answer 49

Makes their own food

Question 50

Sickle cell

Answer 50

Red blood cells form a sickle Or crescent shaped thing

Question 51

Down's syndrome

Answer 51

One with three

Question 52

Mendel

Answer 52

Father of genetics

Question 53

Ribosomes

Answer 53

Produce protein

Question 54

Cytoplasm

Answer 54

Gel like substance that holds organelles in place

Question 55

Cell membrane

Answer 55

Controls what goes in and out of cell

Question 56

``` Circulatory system Nervous system Endocrine system Muscular system Skeletal system Digestive system Excretory system Respiratory system ```

Answer 56

``` Moves blood thro body Movement Hormones Movement(brain) Shape/protection Breaks down food Get rid of waste Oxygen ```