Science

Question 1

nucleotide

Answer 1

molecules of a nitrogen base of a sugar and phosphate group

Question 2

Monosaccharide

Answer 2

simple sugars

Question 3

Macromolecule

Answer 3

the form joining many small molecules together

Question 4

amino acid

Answer 4

base of protein

Question 5

coral reef

Answer 5

a reef composed mainly of coral and other organic matter of which parts have solidified into limestone.

Question 6

salinity

Answer 6

a measurement of the amount of salt in a given solution:

Question 7

wetland

Answer 7

land that has a wet and spongy soil, as a marsh, swamp, or bog

Question 8

Estuary

Answer 8

that part of the mouth or lower course of a river in which the river’s current meets the sea’s tide.

Question 9

Intertidal zone

Answer 9

where the ocean and land meet between high and low zone

Question 10

tundra

Answer 10

one of the vast, nearly level, treeless plains of the Arctic regions of Europe, Asia, and North America.

Question 11

taiga

Answer 11

the coniferous evergreen forests of subarctic lands covering vast areas of northern North America and Eurasia.

Question 12

temperate

Answer 12

Regions of earth between the tropics and polar circles

Question 13

Grassland

Answer 13

an area, as a prairie, in which the natural vegetation consists largely of perennial grasses, characteristic of subhumid and semiarid climates.

Question 14

desert

Answer 14

Biomes that receive little rain.
any area in which few forms of life can exist because of lack of water, permanent frost, or absence of soil.

Question 15

biome

Answer 15

a complex biotic community characterized by distinctive plant and animal species and maintained under the climatic conditions of the region, especially such a community that has developed to climax.

Question 16

habitat

Answer 16

a place within an ecosystem that provides the biotic and abiotic factors in an organism

Question 17

niche

Answer 17

way the series interacts with abiotic and biotic factors to obtain food, shelter etc.

Question 18

population

Answer 18

all the organisms of the same species that live in the same area at the same time

Question 19

predation

Answer 19

the act of one organism feeding another organism

Question 20

community

Answer 20

all the populations living together in the same time form

Question 21

symbiois

Answer 21

close long-term relationship between two species

Question 22

carrying capacity

Answer 22

largest number of one species

Question 23

producer

Answer 23

are organisms that use an outie every source such as the sun and produce Ex. plants etc.

Question 24

consumers

Answer 24

organisms that cannot make their own food Ex. Human,Mammels etc.

Question 25

detrivor

Answer 25

consume the bodies of dead organism and waste produced by living organisms Hand and hand with decomposers

Question 26

food web

Answer 26

a model of energy transfer that can show how the food chains in a community ar interconnected

Question 27

energy pyramid

Answer 27

it’s a model that shows the amount of energy available in each link of a food chain

Question 28

renewable resources

Answer 28

they are replenishable resource just as long as they have enough time between us to replenish

Question 29

nonrenewable resources

Answer 29

resource that are used faster than replenishable or not replenishable

Question 30

resource depletion

Answer 30

the exhaustion of one or more resources in an area

Question 31

In what ways do living things interact?

Answer 31

predator prey,symbiosis ,competition, parasitism

Question 32

How do population changes affect ecosystems?

Answer 32

They can lower or raise levels or other organisms

Question 33

How does energy move through an ecosystem?

Answer 33

from producer to consumer

Question 34

How does matter move through an ecosystem?

Answer 34

from organisms to organisms

Question 35

how can you describe an ecosystem?

Answer 35

ecosystems contain all of the living & non-living parts of the environment in a given area

Question 36

In what ways do humans affect ecosystems?

Answer 36

Mainly by polluting,Climate change, ocean acidification, permafrost melting, habitat loss, air pollution, and bringing in invasive species

Question 37

What can humans do to protect ecosystems and their resources?

Answer 37

Recycle, planting trees, using reusable energy sources, and reusable goods, such as reusable shopping bags and water bottles

Question 38

How do Earth’s land biomes differ?

Answer 38

abiotic vs. biotic factors, Temperature, weather/climate, precipitation
Predation, Sea level/elevation, Land forms

Question 39

How do humans impact land biomes?

Answer 39

Hunting, Pollution, Forest fires, Cutting down trees/deforestation, Fossil fuels, Carbon footprints, buildings/roads

Question 40

How do Earth’s aquatic ecosystems differ?

Answer 40

Some aquatic ecosystems are freshwater, such as ponds and lakes and are surrounded by land, while rivers and oceans are not.

Question 41

How do humans impact aquatic ecosystems?

Answer 41

overfishing, habitat loss, the introduction of invasive species, ocean pollution, and ocean warming.

Question 42

What are the functions of inorganic substances in the human body?

Answer 42

Many are essential for human life, such as ammonia, water, oxygen

Question 43

What are the functions of organic substances in the human body?

Answer 43

Organic Compounds have many different functions. Carbohydrates, Lipids, Proteins, and Nucleic Acids are all Organic substances and are very important for our bodies to function throughout the day.

Question 44

How does the body’s organization enable it to function?

Answer 44

our body has levels of its organization that build up onto each other. Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the specific activity of its organs.