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Biology 152 final exam/145 Questions AND Answers
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Biology 152 final exam/145Questions AND Answers
The final breakdown of dead plant and animals is performed by - -
saprophytes
- what is the function of the root - -- Holds the plant to ground
- collects nutrients
- collects water
- the characteristics that make an angiosperm different from the
gymnosperms? - -they have fruits (from flowers)
- The idea that each species consists of actually or potentially interbreeding
individuals called __. - -biological theory of speculation
- The phylogenetic system of classification of the organism unlike the
artificial and natural system refelects - -evolutionary relationships
- Changes in the frequency of alleles - -microevolution
- A population is defined as - -individuals of the same species that occur
together at one place at one time
- The bone structure of the forelimbs of horse, bats, and whales indicated
that structures with - -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 - -bacterial action
- Biologists who accept the biological species concept and insist that
classification must reflect evolutionary history are called - -cladists
- For members of two different populations to be members of the same
species - -be able to interbreed
- Which group of gymnosperms has the only one species, which has survived
human cultivation - -ginkgoes
- The principle way for genetic variation to spread through a population is by
- -sexual reproduction
- Without genetic variability, a population cannot - -evolve
, - Changes in a gene frequency that is not due to selection, mutation, or
immigration is called - -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 - -founder effect
- What effect do mycorrhizae have on the plants with which they are
associated? - -symbionts, help the plants take in minerals
- The evolutionary tendency is the alteration of generations is - -reduction
of gametophyte to few cells, gametophyte is protected by saprophyte
- The removal of ___ of a root abolishes its response to gravity - -root cap
- A population is in Hardy-Weinberg equilibrium and is polymorphic for only
two alleles. If the frequency of the dominant allele (A) is .07, the AA
individuals have a frequency of ___. - -.49
- A population is polymorphic for only two alleles. If the frequency of the
dominant allele is .6, the frequency of the recessive allele is - -.49
- Deletion, inversion, duplication, and insertions are examples of - -
chromosomal mutations
- Vertebrates are ___ - -coelomates/deuterostomes
- The Hardy- Weinberg principal states that __ - -sexual production alone
would not change the frequency of alleles
- Protista cannot be - -Prokaryotic
- The wing of a bat is __ to the wing of an insect and __ to the flipper of the
whale. - -analogous, and homologous
- In plants with the alteration of generations, the __produce gametes by ___ -
-gametophyte, by metosis
- When we observe a flowering plant, the structures we see are part of the -
-diploid sporophyte
- The first law of thermodynamics states that the energy of the universe is -
-constant
- the biomass of an ecosystem would not include __. - -water
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