test 3

Question 1

Describe the general characteristics of plants

Answer 1

Multicelluar, eukaryotic, photoautotroph, non-motile, cell wall, specific organelles, asexual and sexual reproduction

Question 2

Plants reproductive cycle

Answer 2

Gametophtye produces gametes, sperma dn egg come together to make a zygote, zygote grows into a plant - sporophyte, then releases spores that grow into gametophytes

Question 3

Gametes

Answer 3

Single celled reproductive units - Haploid

Question 4

Zygote

Answer 4

Diploid - two copies of each chromosome

Question 5

Sporophyte generation

Answer 5

Plant that produces spores

Question 6

Gametophyte generation

Answer 6

Spores grow into this, produces gametes

Question 7

Sporangium

Answer 7

The area where spores are formed

Question 8

Spore

Answer 8

A reproductive cell

Question 9

Antheridia

Answer 9

Male gametangia

Question 10

Archegonia

Answer 10

Female gametangia

Question 11

In nonvascular plants, is the gametophyte or sporophyte dominant?

Answer 11

Gametophyte

Question 12

In vascular plants, is the gametophyte or sporophyte dominant?

Answer 12

Sporophyte

Question 13

Advantages of vascular plants

Answer 13

Can grow bigger, increased surface area, nutrients move farther

Question 14

why is vascular tissue important

Answer 14

it allows for better transportation of nutrients around a larger area

Question 15

Xylem

Answer 15

Conducts water and dissolve minerals throughout plant - vessels and tracheids

Question 16

Phloem

Answer 16

Conducts sugarand hormones - sieve and companion cells

Question 17

Fibrous roots

Answer 17

Thing moderately branching roots growing from the stem

Question 18

Taproot

Answer 18

A large central root where other roots sprout laterally

Question 19

Stomata

Answer 19

Tiny pore in the epidermis of a plant leaf that controls transpiration and gas exchange with the air

Question 20

Tracheophyte

Answer 20

A vascular plant

Question 21

germination

Answer 21

early growth and development of a plant embryo in a seed

Question 22

Endosperm

Answer 22

Food stored in the seed

Question 23

Ovary

Answer 23

A female reproductive organ

Question 24

Ecology

Answer 24

the study of how organism interact with each other

Question 25

Organism

Answer 25

a single living thing in the environment

Question 26

Species

Answer 26

A group of similar organisms that can produce fertile offspring

Question 27

Population

Answer 27

A group of individuals of a single species living together in the same region

Question 28

Community

Answer 28

Several populations that interact in a common environment

Question 29

Ecosystem

Answer 29

It is a set of all living species and abiotic components existing and interacting in a given area

Question 30

Biome

Answer 30

A group of ecosystems that have the same climate and similar dominant communities

Question 31

Biosphere

Answer 31

Global ecological system which consists of all the living organisms and factors that support life

Question 32

Habitat

Answer 32

Place where species live

Question 33

Abiotic factors

Answer 33

Non living factors that affect how organism interact - water

Question 34

biotic factors

Answer 34

living factors that affect how organism interact

Question 35

Niche

Answer 35

The position in a community in a spatial and functional sense

Question 36

Competition

Answer 36

When two organism are fighting for the same resource

Question 37

Mutualism

Answer 37

When the relationship helps both sides

Question 38

Predation

Answer 38

When one animals preys on another

Question 39

Commensalism

Answer 39

When one side is benefited and the other is unbothered

Question 40

Parasitism

Answer 40

One side is harmed and the other is benefited

Question 41

Producer

Answer 41

produce food

Question 42

Primary consumer

Answer 42

eat producers and are food for other organisms - herbivores

Question 43

Secondary consumers

Answer 43

Eat other consumers - carnivore or omnivore

Question 44

Tertiary Consumers

Answer 44

Eat other consumers - carnivore or omnivore - highest trophic level

Question 45

Herbivores

Answer 45

only plants

Question 46

Omnivore

Answer 46

plants and animals

Question 47

Carnivores

Answer 47

only meat

Question 48

Role of decomposers

Answer 48

give nutrients back to the system

Question 49

Detritus

Answer 49

remains of dead organism plus bacteria and fungi aiding in decay

Question 50

Adaptation

Answer 50

changing something for survival

Question 51

natural selection

Answer 51

the strongest and most well adapted will survive

Question 52

Limiting factors influencing species distribution

Answer 52

Food, water, living space, disease, predation, and natural disasters

Question 53

Critical factors

Answer 53

Factors needed for survival

Question 54

Indicator Species

Answer 54

An organism that reacts quickly to changes in water, weather, etc.

Question 55

Generalist

Answer 55

Can do a wide range of conditions

Question 56

Ecological succession

Answer 56

more or less orderly process of community change

Question 57

Specialists

Answer 57

narrow ecological niche

Question 58

endemic species

Answer 58

A species is in a defined location and on where else

Question 59

Resource partitioning

Answer 59

the division of limited resources by species to avoid competition