AP Biology Exam Review Questions and Answers
abiotic
non-living
autotroph
An organism that makes its own food.
asexual reproduction
a reproductive process that involves only one parent and produces offspring that are identical to the parent
biotic
living
biosphere
Consist...
AP Biology Exam Review Questions and
Answers
abiotic
non-living
autotroph
An organism that makes its own food.
asexual reproduction
a reproductive process that involves only one parent and produces offspring that are identical to the
parent
biotic
living
biosphere
Consists of all life on Earth and all parts of the Earth in which life exists, including land, water, and the
atmosphere.
cell specialization
Cells throughout an organism can develop in different ways to perform different tasks.
cell differentation
Process by which cells become different types of cells
carbon cycle
Cyclic movement of carbon in different chemical forms from the environment to organisms and then
back to the environment.
cell differentiation
the process by which a cell becomes specialized for a specific structure or function
chemical bond
the attractive force that holds atoms or ions together where the energy in a compound is stored
chromosome pair
identical copies of a single chromosome
copy of mom chromosome 1 next to mom chromosome 1
consumer
an organism that obtains energy by feeding on other organisms
deletion
the loss of a part of DNA from a chromosome
, detritivore
An organism (like the earthworm) that feeds on decaying matter after it has been broken down by
decomposers.
DNA
deoxyribonucleic acid; the genetic material that carries information about an organism that is passed
from parent to offspring AND is used by an individual as the recipe for making proteins
DNA sequence
The sequence, or order, in which the nitrogenous bases adenine (A), cytosine (C), guanine (G), and
thymine (T) are arranged in a gene or a DNA fragment, or in an organism's genome.
double helix
two strands of nucleotides wound about each other; structure of DNA
ecosystem stability
the total number of species is fairly consistant from year to year---the same species were present
each year--- the population size of each species was approximately the same from year to year
endangered species
A species whose numbers are so small that the species is at risk of extinction
exponential growth
growth pattern in which the individuals in a population reproduce at a constant rate
food web
a community of organisms where there are several interrelated food chains
gene
sequence of DNA that codes for a protein and thus determines a trait
genetic diversity
the amount of variation in the genetic material within all members of a popualtion
genetic variation
The variety of different types of genes in a species or population.
genotype
an organism's genetic makeup, or allele combinations
greenhouse effect
natural situation in which heat is retained in Earth's atmosphere by carbon dioxide, methane, water
vapor, and other gases
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