bio unit 5 vocab

Question 1

study of the relationships of living things to their environment

Answer 1

ecology

Question 2

a group of individuals of the same species

Answer 2

population

Question 3

populations of different species interacting in an area

Answer 3

community

Question 4

symbiotic relationship in which both organisms benefit

Answer 4

mutualism

Question 5

living things within an ecosystem

Answer 5

biotic factors

Question 6

organism that eats plants and animals

Answer 6

omnivore

Question 7

organisms that break down dead tissues and return the nutrients back into the soil

Answer 7

decomposer

Question 8

natural situation in which heat is retained by a layer in the atmosphere

Answer 8

greenhouse effect

Question 9

process by which atmospheric nitrogen is fixed and incorporated by plants

Answer 9

nitrogen fixation

Question 10

interconnected food chains within an ecosystem

Answer 10

food web

Question 11

the cycle of a carbon atom as it flows through the biotic and abiotic parts by processes such as combustion, photosynthesis, respiration,

Answer 11

carbon cycle

Question 12

vascular tissue that transports sugars and amino acids dissolved in water from the leaves to the different parts of the plant

Answer 12

phloem

Question 13

anther, filament, male reproductive structure of the flower

Answer 13

stamen

Question 14

organisms that eats only producers

Answer 14

herbivore

Question 15

large geographic area of similar climate and life forms

Answer 15

biome

Question 16

animal that eats only meat

Answer 16

carnivore

Question 17

become the seeds

Answer 17

ovules

Question 18

portion of earth that supports life

Answer 18

biosphere

Question 19

feeding level with an ecosystem

Answer 19

trophic level

Question 20

symbiotic relationship in which one organism benefits and the other is harmed

Answer 20

parasitism

Question 21

vascular tissue that transports water and minerals up the roots to the rest of the plants utilizing the transpiration pull

Answer 21

xylem

Question 22

plants with flowers, seeds in fruits, vascular tissue

Answer 22

angiosperms

Question 23

symbiotic relationship in which one organism benefits & one is not affected

Answer 23

commensalism

Question 24

non living parts of an ecosystem that play a role in the survival of biotic factors

Answer 24

abiotic factor

Question 25

stigma, style, ovary; female reproductive structure of the flower

Answer 25

pistil

Question 26

becomes the fleshy fruit

Answer 26

ovary

Question 27

plant response and growth towards light controlled by the hormone auxin

Answer 27

phototropism

Question 28

opening for exchange of gases in leaves, also a site for loss of water loss

Answer 28

stomata

Question 29

the transfer of pollen from the male anther to the female stigma

Answer 29

pollination

Question 30

have vascular tissue of xylem and phloem to conduct water and sugars

Answer 30

vascular plant

Question 31

attractive structures that holds the seeds and help disperse them

Answer 31

fruit

Question 32

sticky part of female pistil for the pollen to fall on

Answer 32

stigma

Question 33

plant response to touch

Answer 33

thigmotropism

Question 34

early growth stage of a seed when seedling grows

Answer 34

germination

Question 35

response of a plant shoot to grow away from gravity and root to grow towards gravity - due to hormone auxin

Answer 35

gravitropism

Question 36

do not have vascular tissue of xylem and phloem such as moss

Answer 36

non-vascular plant

Question 37

an increase or accumulation in toxic pollutants such as the pesticide DDT as they goes up the food chain

Answer 37

Biomagnification

Question 38

when water evaporates from the stomata in the leaves of a plant, water is pulled up through the xylem to replace what was lost.

Answer 38

Transpiration pull

Question 39

A reproductive process that involves only one parent and NO gametes and produces offspring that are identical to the parent.

Answer 39

asexual reproduction

Question 40

a plants growth response to water; plant grows towards the water

Answer 40

Hydrotropism

Question 41

The ability of an ecosystem to survive and maintain a balance among the organisms; depends on high biodiversity.

Answer 41

Ecosystem Stability/Resilience

Question 42

The amount of biological or living diversity of all organisms per unit area. It includes species diversity, habitat diversity and genetic diversity.

Answer 42

Biodiversity

Question 43

rapid growth of algae encouraged by too many nutrients like nitrates in the water due to runoff from agriculture or excess sedimentation that causes depletion of oxygen for other organisms and dead zones

Answer 43

Algal blooms

Question 44

species that enter new ecosystems and multiply, harming native species and their habitats

Answer 44

Invasive species

Question 45

The removal of trees faster than forests can replace themselves resulting in disruption in carbon cycle, nitrogen cycle, loss of biodiversity, and habitat loss

Answer 45

deforestation

Question 46

Burning of fossil fuels and wood, releasing energy carbon dioxide.

Answer 46

Combustion

Question 47

In plants, When the pollen from male stamens reaches the ovule in female ovary to form a ripened ovary , the fruit with seeds

Answer 47

fertilization in plants