The biodiversity paper states that we can help protect biodiversity by doing all of the following EXCEPT:
1. Protecting insects which play a crucial role in preying on pests and serve as food for those higher on the food chain than them
2. Promoting ecotourism so wildlife is worth more than alive...
BIO 150 FINAL || QUESTIONS & ANSWERS 100%
SOLVED.
The biodiversity paper states that we can help protect biodiversity by doing all of the
following EXCEPT:
1. Protecting insects which play a crucial role in preying on pests and serve as food for those
higher on the food chain than them
2. Promoting ecotourism so wildlife is worth more than alive
3. Eating a lower proportion of plant foods than animal foods
4. Taking care not to introduce invasive species
5. Slowing the rate of removal of water from rivers and lakes for irrigation and human use in
homes correct answers Eating a lower proportion of plant foods than animal foods
Fitness is...
1. Absolute (always the same in fitness ranking no matter what the environment)
2. Relative (to those around you) correct answers Relative
What did Darwin conclude caused the pattern of animals with variable yet similar forms on
the Galapagos islands:
1. They are similar because they are evolved from one mainland species
2. They have variable because they evolved adaptations for variable islands after they
colonized
3. Both of the first two answers are true
4. Neither of the first two answers are true correct answers Both of the first two answers are
true
What are homologous chromosomes?
1. A pair of the same kind of chromosome in a diploid cell
2. One of two or more alternative states of a gene on a chromosome
3. The basic unit of heredity: a sequence of DNA nucleotides on a chromosome that encodes
a protein, tRNA, or rRNA molecule or regulates the transcription of such a sequence correct
answers A pair of the same kind of chromosome in a diploid cell
T/F: Mutations always create alleles that will harm an organism (aka mutants are bad)?
correct answers False
In Genetic Drift do all individuals get to mate? correct answers no
In Genetic Drift if all do not get to mate, why? correct answers chance
In Genetic Drift do allele frequencies change? correct answers yes
In Genetic Drift do genotype frequencies change? correct answers yes
In Non-Random mating do all individuals get to mate? correct answers yes (its not whether
you get to mate, it is who you mate with)
In Non-Random mating do allele frequencies change? correct answers no
, In Non-Random mating do genotype frequencies change? correct answers yes =
In Random mating do all individuals get to mate? correct answers yes
In Random mating do allele frequencies change? correct answers no
In Random mating do genotype frequencies change? correct answers no
Mutations are changes in the sequences of correct answers DNA
An organism's fitness is correct answers relative
T/F: Mutation is a random process correct answers true
T/F: Natural Selection is a random process correct answers false
T/F: Only the strongest and healthiest individuals in a population will survive to reproduce
correct answers false
During the mating season, voles in population A2 find mates while they are foraging for
seeds. Therefore, individuals begin to only mate with other individuals that eat the same size
seeds in their population. Over time, two new species, East1 and East2, develop from the
original eastern population. This is a result of: correct answers sympatric speciation
When individuals from species East1 and East2 mate, their offspring are very small and
unable to eat seeds of any size. As a result, they die before they can produce offspring. This is
an example of: correct answers post-zygotic isolating mechanism
If hybrids formed between individuals from East1 and East2 had equal fitness to either
parental species, then this would: correct answers prohibit speciation between East1 and
East2
DNA in nucleus of bacteria correct answers no
DNA in nucleus of archaea correct answers no
DNA in nucleus of eukarya correct answers yes
Organelles in bacteria correct answers no
Organelles in archaea correct answers no
Organelles in eukarya correct answers yes
Circular chromosome in bacteria correct answers yes, one
Circular chromosome in archaea correct answers yes, one
Circular chromosome in eukarya correct answers no, multi linear
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