7th Grade

Question 1

What are the phases of the cell cycle?

Answer 1

Interphase, mitosis, and cytokinesis

Question 2

Unicellular

Answer 2

Made of only one cell

Question 3

Multicellular

Answer 3

Made of many cells

Question 4

Nucleus

Answer 4

The brain of the cell

Question 5

Cell membrane

Answer 5

Barrier that surrounds the cell and allows nutrients to come in and waste to exit

Question 6

Cytoplasm

Answer 6

A fluid that surrounds the organelles

Question 7

Endoplasmic reticulum

Answer 7

A system of foods and channels that transport materials throughout the cell

Question 8

Golgi apparatus

Answer 8

transports proteins and other materials

Question 9

Lysosomes

Answer 9

A small organelle that contains enzymes

Question 10

Mitochondria

Answer 10

Produces ATP

Question 11

Consumers

Answer 11

Living things that consume food and does not produce it

Question 12

What are the four plant groups?

Answer 12

• mosses
• ferns
• conifers
• flowering plants

Question 13

What is the correct order for species, phylum, kingdom, family, order, genus, and class?

Answer 13

Kingdom-many different types of animals
Phylum
Class
Order
Family
Genus
Species-one type of animal
or
Kids Prefer Candy Over Fresh Green Salads

Question 14

Animal groups

Answer 14

• cnidarians
• mollusks
• annelids
• arthropods
• echinoderms
• chordate

Question 15

Photosynthesis

Answer 15

Chlorophyll is a chemical in the chloroplasts that absorb or trap light energy. The light energy is transferred into chemical energy through turning carbon dioxide and water into sugar and oxygen. The energy is stored in the chemical bonds of the glucose molecules

Question 16

Producers

Answer 16

Living things that produce their own food

Question 17

Phototropism

Answer 17

Plants respond to light by growing towards it

Question 18

Eutrophication

Answer 18

When there are excess plant nutrients in the water and algae grows

Question 19

Energy pyramid

Answer 19

The amount of energy available to each successive tropic level decreases. Producers provide the base that supports the other interactions in the system

Question 20

Food web

Answer 20

A mod l showing how energy flows through food chains

Question 21

Food chain

Answer 21

A chain showing the flow of energy through one cycle

Question 22

Population

Answer 22

A group of organisms of the same species living in the same place

Question 23

Community

Answer 23

Made up of different populations that liven the same place

Question 24

Habitat

Answer 24

The place where an organism lives within a community

Question 25

Niche

Answer 25

The place where the organism lives, the food it eats, the organisms that feed on it, and the physical conditions in which it can thrive, such as the amount of light and water it needs

Question 26

Ecosystem

Answer 26

Consists of all organisms within a community and the nonliving things with which they interact, such as air, water, and soil

Question 27

Biome

Answer 27

A region containing groups of similar ecosystems and climates

Question 28

Chromosomes

Answer 28

Strands of tightly wound DNA

Question 29

Genes

Answer 29

Sections of chromosomes that carry the code for a particular trait

Question 30

Mendel

Answer 30

Father of genetics

Question 31

Mutation

Answer 31

Change in DNA code which improves a species ability exist in its environment

Question 32

Adaptations

Answer 32

Structures, functions, or behaviors, that enable a species to survive

Question 33

Cell theory

Answer 33

All living things are composed of cells, cells are the smallest unit of living things that can perform life processes, and living cells only come from other living cells