Correct Answers
The final breakdown of dead plant and animals is performed by -
ANSWERSsaprophytes
what is the function of the root - ANSWERS- Holds the plant to ground
- collects nutrients
- collects water
the characteristics that make an angiosperm different from the gymnosperms? -
ANSWERSthey have fruits (from flowers)
The idea that each species consists of actually or potentially interbreeding individuals
called __. - ANSWERSbiological theory of speculation
The phylogenetic system of classification of the organism unlike the artificial and natural
system refelects - ANSWERSevolutionary relationships
Changes in the frequency of alleles - ANSWERSmicroevolution
A population is defined as - ANSWERSindividuals 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 - ANSWERSdifferent 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 -
ANSWERSbacterial action
Biologists who accept the biological species concept and insist that classification must
reflect evolutionary history are called - ANSWERScladists
For members of two different populations to be members of the same species -
ANSWERSbe able to interbreed
Which group of gymnosperms has the only one species, which has survived human
cultivation - ANSWERSginkgoes
The principle way for genetic variation to spread through a population is by -
ANSWERSsexual reproduction
Without genetic variability, a population cannot - ANSWERSevolve
, Changes in a gene frequency that is not due to selection, mutation, or immigration is
called - ANSWERSgenetic 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 -
ANSWERSfounder effect
What effect do mycorrhizae have on the plants with which they are associated? -
ANSWERSsymbionts, help the plants take in minerals
The evolutionary tendency is the alteration of generations is - ANSWERSreduction of
gametophyte to few cells, gametophyte is protected by saprophyte
The removal of ___ of a root abolishes its response to gravity - ANSWERSroot 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
___. - ANSWERS.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 - ANSWERS.49
Deletion, inversion, duplication, and insertions are examples of -
ANSWERSchromosomal mutations
Vertebrates are ___ - ANSWERScoelomates/deuterostomes
The Hardy- Weinberg principal states that __ - ANSWERSsexual production alone
would not change the frequency of alleles
Protista cannot be - ANSWERSProkaryotic
The wing of a bat is __ to the wing of an insect and __ to the flipper of the whale. -
ANSWERSanalogous, and homologous
In plants with the alteration of generations, the __produce gametes by ___ -
ANSWERSgametophyte, by metosis
When we observe a flowering plant, the structures we see are part of the -
ANSWERSdiploid sporophyte
The first law of thermodynamics states that the energy of the universe is -
ANSWERSconstant
the biomass of an ecosystem would not include __. - ANSWERSwater