vocab

Question 1

protist

Answer 1

any of a diverse taxonomic group and especially a kingdom

Question 2

heterotroph

Answer 2

an organism deriving its nutritional requirements from complex organic substances.

Question 3

eukaryote

Answer 3

an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus.

Question 4

decomposer

Answer 4

an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

Question 5

parasite

Answer 5

an organism that lives in or on another organism its host and benefits by deriving nutrients at the host’s expense.

Question 6

host

Answer 6

a person who receives or entertains other people as guests.

Question 7

fungi

Answer 7

any of a group of unicellular, multicellular, or syncytial spore-producing organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools.

Question 8

spore

Answer 8

a minute, typically one-celled, reproductive unit capable of giving rise to a new individual without sexual fusion, characteristic of lower plants, fungi, and protozoans.

Question 9

lichen

Answer 9

a skin disease in which small pimples or bumps occur close together.

Question 10

nonvascular plant

Answer 10

belong to the division Bryophyta, which includes mosses, liverworts, and hornworts.

Question 11

vascular plant

Answer 11

a plant that is characterized by the presence of conducting tissue.

Question 12

gymnosperm

Answer 12

a plant that has seeds unprotected by an ovary or fruit. Gymnosperms include the conifers, cycads, and ginkgo.

Question 13

angiosperm

Answer 13

a plant that has flowers and produces seeds enclosed within a carpel.

Question 14

phtosynthesis

Answer 14

the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.

Question 15

cellular respiration

Answer 15

The chemical process that generates most of the energy in the cell, supplying molecules needed to make the metabolic reactions of an organism run.

Question 16

transpiration

Answer 16

is when a plant absorbs water in its roots. Licensed from iStockPhoto.

Question 17

tropism

Answer 17

the turning of all or part of an organism in a particular direction in response to an external stimulus.

Question 18

gravitropism

Answer 18

is the movement or growth of plants in response to gravity. The shoots or aerial parts of a plant grow away from gravity

Question 19

phototropism

Answer 19

the orientation of a plant or other organism in response to light, either toward the source of light.

Question 20

asexual reproduction

Answer 20

the production of new living organisms by combining genetic information from two individuals of diffrent types.

Question 21

toxoplasmosis

Answer 21

a disease caused by toxoplasmas, transmitted chiefly through undercooked meat, or in soil or cat feces.

Question 22

malaria

Answer 22

an intermittent and remittent fever caused by a protozoan parasite that invades the red blood cells.

Question 23

giardia

Answer 23

is an intestinal infection marked by abdominal cramps, bloating, nausea and bouts of watery diarrhea.