The organism with the highest fitness is:
A. An animal that lives 2 years and produces 10 offspring per year.
B. An animal that lives 100 years and produces 10 offspring total.
C. An animal that lives one year and produces 10 offspring total.
D. An animal that lives 10 years and produces 2 offspring per year.
E. An animal that lives 10 years and produces 10 offspring per year.
E. An animal that lives 10 years and produces 10 offspring per year.
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What is the first event in the fossilization process?
A. erosion of soils around the organism B. burial of the organism by sediments C. conversion of organic tissue to minerals (rock) D. hardening of sediments in to rock
Which protein group links cells together by recognizing and binding receptors or chemical groups on other cells or the
extracellular matrix?
a. transport proteins b. recognition proteins
c. receptor proteins d. cell adhesion proteins e. nuclear proteins
Red light and phytochrome are involved in which of the following plant growth responses? (Check all that apply.)A) Stem elongationB) Inhibition of seed germinationC) Elongation of etiolated shootsD) Detection of crowding by neighboring plants
What will be an ideal response?
If a recessive allele causes a fatal disease that kills the affected individual before he or she can reproduce, why doesn't that allele quickly become extinct in the population?
a. Alleles are never lost from a population. b. The homozygous dominant individuals protect the recessive allele in their genomes. c. The recessive allele is carried in the genome of heterozygotes, who do not suffer from the disease. d. The homozygous recessive individuals give their alleles to other individuals before they die from the disease.