Biology 152 Final Exam Questions And
Answers 100% Pass
The final breakdown of dead plant and animals is performed by - ANS saprophytes
what is the function of the root - ANS - Holds the plant to ground
- collects nutrients
- collects water
the characteristics that make an angiosperm different from the gymnosperms? - ANS they
have fruits (from flowers)
The idea that each species consists of actually or potentially interbreeding individuals called __.
- ANS biological theory of speculation
The phylogenetic system of classification of the organism unlike the artificial and natural system
refelects - ANS evolutionary relationships
Changes in the frequency of alleles - ANS microevolution
A population is defined as - ANS individuals of the same species that occur together at one
place at one time
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The bone structure of the forelimbs of horse, bats, and whales indicated that structures with -
ANS different functions retain evidence of descent from a common form
Most of the nitrogen in the air enters the biosphere as useable nitrogen as a result of -
ANS bacterial action
Biologists who accept the biological species concept and insist that classification must reflect
evolutionary history are called - ANS cladists
For members of two different populations to be members of the same species - ANS be able
to interbreed
Which group of gymnosperms has the only one species, which has survived human cultivation -
ANS ginkgoes
The principle way for genetic variation to spread through a population is by - ANS sexual
reproduction
Without genetic variability, a population cannot - ANS evolve
Changes in a gene frequency that is not due to selection, mutation, or immigration is called -
ANS genetic drift
If a small group of individuals colonizes a newly formed island, the gene frequency of the
population is likely to be different than that which they came from. This is called -
ANS founder effect
What effect do mycorrhizae have on the plants with which they are associated? -
ANS symbionts, help the plants take in minerals