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49 Cards in this Set

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  • Back
All parts of the planet that are inhabited by living things
Biosphere
What are the 3 main parts of biosphere
Land
Bodies of water
Atmosphere
Community of living things with all the nonliving things in the environment that support the living community
Ecosystem
All the earths ecosystems make up the
Biosphere
Individual living things
Organisms
Basic unit of structure and function
Cells
What part of the cell directs all activities of the cell
Nucleus
Basic building blocks of all materials
Atoms
Chemical responsible for inheritance
DNA
Passing on of traits from parent organisms to offspring
Inheritance
Units of inherited information
Genes
Distinct form of life
Species
Number of known species
1.5 million

New ones discovered daily
What part of the earth has the most diverse species
A tropical rain forest

Like in the Yucatan Peninsula in Mexico
Broadest category to classify life forms
Domain
How many domains are there and what are they
3
Archaea
Bacteria
Eukarya
Means single cell
Unicellular
Which of the 2 domains are mostly unicellular
Archaea
Bacteria
Cells without a nuclei are called
Prokaryotic or Eukaryotic
Prokaryotic cells
Next level after Domain
Kingdoms
What are the 4 kingdoms of Eukarya
Protists
Fungi
Plants
Animals
What kind of cell have a nucleus that separates DNA from the rest of the cell
Prokaryotic or Eukaryotic
Eukaryotic
Means made of many cells
Multicellular
To perform complex functions, parts of the body are organized into groups that are based on the arrangement and interactions of its part called
Systems
Where do plants get their necessary chemicals
Soil
Water
Air
5 levels of organization of multicellular organisms
Cell
Tissue
Organ
Organ system
Organism
What are responsible for family resemblance
Genes
What is the inherited information that allows organisms to reproduce with their own kind
DNA
Process by which plants make food
Photosynthesis
What does the plant need from the environment for photosynthesis
Water and nutrient from soil

Carbon dioxide from air

Energy from sunlight
What is the byproduct of photosynthesis
Oxygen
Energy flows into an ecosystem as what?

Energy exits an ecosystem as what?
In - Sunlight

Out - Heat
Who are an ecosystems "producers"
Plants and photosynthetic organisms
An organism that produces the food upon which an ecosystem depends is called a
Producer
Who are an ecosystems "consumers"
Animals and organisms that eat (consume) food made by the producers
Whenever an organism performs work, it converts some of its energy supply to what
Heat
What are 2 ways an organism cools itself
Sweating and panting
Ability of an organism to regulate its internal environment, despite changes in the external environment
(steady state)
Homeostasis
Inherited trait that helps an organisms ability to survive and reproduce in its environment
Adaptation
Localized group of organisms belonging to the same species
Population
A variation in an organism that helps it live longer and produce more offspring than organisms without the variation
Natural selection
The evoluation of a darker colored beetle to keep it hidden is an example of:
a. adaptation
b. population
c. natural selection
d. homeostatis
Adaptation
Generation to generation change in the proportion of different inherited genes in a population
Evolution
A biologist studying interactions between an animal species and it environment is studying biology at what level
cell
organism
biosphere
ecosystem
Which is not an organism
oak leaf
spider
elephant
bacterial cell
Which domain do humans belong to
a. animals
b. eukarya
c. archaea
d. none
None
DNA is found in the nucleus of eukaryotic or prokaryotic cells
Eukaryotic
Which product of photosynthesis is used by consumers
a. water
b. carbon dioxide
c. food
Food
Which of the following has to happen for the other 3 to occur:
a. natural selection
b. adaptation
c. genetic variation
d. evolution
Natural selection