1
Process of using the energy in sunlight to make food (glucose).
2
Any type of Archaea that lives in an extreme environment, such as a very salty, hot, or acidic environment.
3
Animal that lacks a vertebral column, or backbone.
4
Organelle in the cells of plants and algae; site of photosynthesis.
5
Single-celled organism that lacks a nucleus or membrane-bound organelles.
6
Plant that is adapted to a very dry environment.
7
In the absence of oxygen.
8
An epidemic that spreads through human populations across a large region (for example a continent), or even worldwide.
9
Science of classifying organisms.
10
Substance containing modified pathogens that does not cause disease but provokes an immune response; results in immunity to the pathogen.
11
Domain of prokaryotes; includes single-celled organisms that live in extreme environments.
12
Structure in plants consisting of male and female reproductive structures that attracts animal pollinators.
13
Tiny grains that bear the male gametes of seed plants and transfer sperm to female reproductive structures.
14
Behavior closely controlled by genes that occurs naturally, without learning or practice, in all members of a species, whenever they are exposed to a certain stimulus; also called instinctive behavior.
15
A plant-like protist, such as diatom and seaweed.
16
A reproductive cell produced by various organisms; can withstand harsh environmental conditions.
17
Kingdom in the domain Eukarya that includes molds, mushrooms, and yeasts.
18
Plant organ that holds plants upright, so they can obtain sunlight and oxygen.
19
Vascular plant organ specialized to collect sunlight for photosynthesis.
20
Vascular plant organ that can penetrate soil and rock; absorb water and minerals.
21
Tiny, nonliving particle that contains DNA (or RNA) surrounded by a protein coat; lacks other characteristics of living cells.
