scinece bio

Question 1

identify some abiotic and biotic factors

Answer 1

biotic - plants, humans, insects

abiotic, rock, water, sunlight

Question 2

name some basic needs for living things

Answer 2

water, oxygen, sunlight, food

Question 3

what are the levels of organization

Answer 3

species- couple of animals that are the same type
population- of 1 species
community - couple of different species
ecosystem- biotic and abiotic

Question 4

what is the symbol for a commensalism, mutualism, and parasitism

Answer 4

commensalism- + 0
mutualism- + +
parasitism- + -

Question 5

what’s a niche ? (just know what a niche is on the test)

Answer 5

the role or functional position of a species within the community of an ecosystem

Question 6

what’s photosynthesis

Answer 6

converts the suns energy into chemical energy in plants and stores it in the form of sugars and starches (also provides oxygen in the air that we breathe)

Question 7

what’s cellar respiration

Answer 7

the process of breaking down sugar into a form the cell can use as energy

Question 8

what’s a food chain

Answer 8

a food chain shows who eats whom in an ecosystem (always begin with producer absorbing sunlight)

Question 9

what’s a food web

Answer 9

food webs are made up of several food chains

Question 10

what’s a sanitary landfill

Answer 10

lined with plastic and clay, will prevent leaching of contaminants in the soil and is a more environmentally friendly way of disposing of garbage

Question 11

name some helpful and harmful decomposers

Answer 11

bad e. coli- found in food

good e. coli- found in your intestines (breaks down your food)

Question 12

what’s the energy flow in ecosystems

Answer 12

energy flows in one direction freak producers to various levels of consumers

Question 13

what’s the first step in the water cycle?

Answer 13

evaporation - water loss from lakes river and ocean

transportation - water loss from plant leaves

Question 14

what’s the 2nd step in the water cycle?

Answer 14

condensation - water vapour forms clouds

Question 15

what’s the 3rd step in the water cycle

Answer 15

precipitation- water returns to earth as sleet, rain, snow, hail

Question 16

what’s the 4th step in the water cycle?

Answer 16

surface runoff- returns water to bodies of water or to ground water

Question 17

what’s the carbon cycle?

Answer 17

consists of photo, cellular respiration and decomposition

Question 18

what’s bio invasion

Answer 18

accidental or planned introduction of a non-native species into a community

Question 19

what’s competition

Answer 19

all living things will compete for things like food,water and an environment to live in

Question 20

what’s predation

Answer 20

occurs when an animal hunts other animals for food

Question 21

what is weather and give some forms of how an ecosystem is destroyed by weather

Answer 21

weather- can destroy plants and animals in an ecosystem

• floods
• fire
• drought
• lightning

Question 22

what is the movement of matter in ecosystems

Answer 22

through food chains/webs, water cycle, carbon cycle

Question 23

what’s the first type of monitoring

Answer 23

physical - uses satellites to track changes in the landscape overtime

Question 24

what’s the second type of monitoring

Answer 24

environmental- tracks changes in climate temperatures and weather patterns

Question 25

what’s the 3rd type of monitoring

Answer 25

chemical- monitoring asses the quality of air, soil, and water

Question 26

what’s the 4th type of monitoring

Answer 26

biological- track the changes in organisms or population for organisms

Question 27

what’s primary succession

Answer 27

the gradual growth of organisms in an area that was previously bare, like a rocky slope or a volcanic island

Question 28

what’s a pioneer species

Answer 28

are the first to arrive in an area

ex - lichens and mosses

Question 29

give examples of a climax community

Answer 29

balsam fur, owl, deer

Question 30

what’s bioaccumulation

Answer 30

a substance builds up in a living organism from the surrounding air or water that already have the substance that is being accumulated

Question 31

extirpated (what does it mean)

Answer 31

only gets lost in a large area

Question 32

endangered …

Answer 32

in danger of extinction

Question 33

if a species becomes extinct, it can…

Answer 33

no longer be found anywhere in the world

Question 34

what’s captive breeding

Answer 34

maintaining plants or animals in a controlled environment (a zoo maybe)

Question 35

what is sustainability

Answer 35

means that the resources from the environment can be replaced as quickly as they are used