In the beginning...
The study of how organisms interact with one another and their environment.
ecology
A mountain lion has the scientific name Felis concolor. The term Felis is the
genus
Some of Darwin's most important discoveries were made here.
Galapagos Islands
A cell with 22 chromosomes undergoes mitosis and cell division. How many daughter cells are produced and what number of chromosomes do they each have?
2 (daughter cells), 22 (Chromosomes)
DNA possesses:
a. only A and G bases
b. only U and T bases
c. only C and T bases
d. C, T, A, and G bases
e. A, U, G and C bases
d. C, T, A, and G bases
Concept that two species cannot occupy the same niche at the same time is:
a. commensalism
b. adaptive radiation
c. predation
d. competitive exclusion
e. coevolution
d. competitive exclusion
Which of the following is the smallest, or least inclusive group?
a. class
b. family
c. phylum
d. domain
e. order
b. family
The term used for the nonfunctional, "evolutionary baggage" that organisms often carry.
vestigial (structures)
Different or alternate forms of a gene are called:
a. genetomorphs
b. gametes
c. zygotes
d. alleles
e. chromatids
d. alleles
The name of the sugar in RNA.
ribose
Exponential growth occurs when:
a. biotic potential decreases each year
b. population grows by a fixed percentage of its size each year
c. rate of emmigration is greater than rate of immigration
d. # of births per year is constant and the birth rate is higher than the death rate
b. population grows by a fixed percentage of its size each year
Which is the correct way to represent the scientific name of the wolf when written by hand?
a. CANIS LUPUS
b. Canis lupus
c. canis Lupus
d. "Canis Lupus"
e. Canis lupus
e. Canis lupus
Complete the following list of the four aspects of natural selection:
Overproduction of offspring
Reproductive advantage
Heritability
Variation
Meiosis results in the production of:
a. two haploid cells
b. four diploid cells
c. one triploid cell
d. four haploid cells
e. two diploid cells
d. four haploid cells
What molecule carries information from the nucleus to the cytoplasm?
mRNA
A species that plays a major role in determining the structure of its ecological community.
keystone species
I am the father of modern taxonomy.
Linneaus
Dandelions in a lawn that is mowed frequently have short flower stalks, whereas those in an abandoned field have tall flower stalks. This illustrates what?
natural selection
What is the ratio of phenotypes in the offspring produced by a cross of Aa X Aa? Assume complete dominance as the pattern of inheritance.
75% showing dominant trait
25% showing recessive trait
If the DNA of a certain organism has guanine as 30% of its bases, then what percentage of its bases are adenine?
20%
This is the replacement of one type of a community with another at a single place over time.
succession
This is a branching diagram that represents the proposed evolutionary history of a species or group based on shared derived traits.
cladogram
A type of natural selection that might occur when an extreme version of a trait is more fit.
directional
A woman with AB blood type and man with type O blood have three children, one of whom is adopted. The blood types of the children are A, B, and O. What is the blood type of the adopted child?
Type O
The three parts of a nucleotide.
phosphate
sugar
base