Vocabulary

Question 1

Autotroph

Answer 1

Use energy from the environment to make food

Question 2

Heterotroph

Answer 2

Rely on other organisms for food

Question 3

Carrying capacity

Answer 3

Largest number of individualsof a population that a given population can support

Question 4

Niche

Answer 4

The conditions in which organism lives and the way it uses those conditions

Question 5

Desertification

Answer 5

Productive land turning into deserts

Question 6

Deforestation

Answer 6

Loss of forests due to logging or farming

Question 7

Taxonomy

Answer 7

when scientists classify organisms and assign a universally accepted name

Question 8

Binomial nomencalture

Answer 8

two name naming system

Question 9

Pseudopod

Answer 9

False foot

Question 10

Cilia

Answer 10

short hair-like projections

Question 11

Hyphae

Answer 11

thin filaments that make up fungi

Question 12

Mycelium

Answer 12

tangled mass of hyphae

Question 13

Basidium

Answer 13

spore bearing structure on the gills of mushroom cups

Question 14

Seed

Answer 14

embryo of a living plant that is encased in a protective covering surrounded by a food supply

Question 15

Stomata

Answer 15

pore like openings in the underside of the leaf that allow carbon dioxide and oxygen to diffuse into and out of the leaf

Question 16

Capillary action

Answer 16

the tendency of water to rise in a thin tube

Question 17

Seed cone

Answer 17

male cone, small and fuzzy

Question 18

Pollen cone

Answer 18

female cone, large and woody

Question 19

Protostome

Answer 19

animal whose mouth is formed from its blastopore

Question 20

Dueterostome

Answer 20

animal whose angus is formed from the blastopore of a blastula

Question 21

Spiracles

Answer 21

small opening located along the side of the body through which air enters and leaves the body of many terrestrial arthropods

Question 22

Vertebrate

Answer 22

animal that has a vertebrate column or backbone

Question 23

Nemtocysts

Answer 23

stinging structure within each cnidocyte of a cnidarian that is used to poison or kill prey

Question 24

Invertebrate

Answer 24

animal that does not have backbone or vertebrate column

Question 25

Water vascular system

Answer 25

system of internal tubes in Echinoderms that carries out essential functions such as feeding, respiration, circulation, and movement

Question 26

Swimmerets

Answer 26

flipper like appendages used by Decapoda for swimming

Question 27

Denticles

Answer 27

tooth like scales

Question 28

Oviparous

Answer 28

lay eggs

Question 29

Viviparous

Answer 29

Live birth

Question 30

Ovoviviparous

Answer 30

internal egg hatch inside mom and she gives birth to live young

Question 31

Cephalization

Answer 31

concentration of sense organs and nerve cells at the front of an animal’s body

Question 32

Feathers

Answer 32

structure made mostly of protein that develops from a pit in a bird’s skin

Question 33

Ectotherm

Answer 33

rely on behaviors to maintain body temp.

Question 34

Endotherm

Answer 34

generate their own body heat

Question 35

Mammary glands

Answer 35

produce milk to nourish young

Question 36

Diaphragm

Answer 36

large flat muscle at the bottom of chest cavity that helps with breathing

Question 37

Placenta

Answer 37

organ in placental mammals through which nutrients, oxygen, carbon dioxide, and wastes are exchanged between embryo and mother

Question 38

Amniotic egg

Answer 38

egg composed of shell and membranes that create a protected environment in which the embryo can develop out of the mother

Question 39

Radial symmetry

Answer 39

body plan in which body parts repeat around the center of the body; characteristic of sea stars and sea anemones

Question 40

Bilateral symmetry

Answer 40

body plan in which only a single, imaginary line can divide the body into two equal halves; characteristic of worms, arthropods, and chordates