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~One of the most abundant fisheries
~Small schooling fieesh
~Commonly ground into fish meal
~Captured by seine nets
~Whole schools are captured at once
Choose an answer
What are characteristics of asexual Where does anthropogenic CO2
1 2
reproduction? come from?
3 4
Clupeid feeeesh budding
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, Terms in this set (50)
~Only requires 1 animal
~Creates clones of themselves
What are characteristics of ~More time efficient in terms of turnaround time after
asexual reproduction? birth
~Minimal genetic variation
~Low amount of energy involved in the process
~Creates lots of genetic diversity
~Requires two organisms
What are characteristics of
~Fuses 2 haploid gametes
sexual reproduction?
~Can be accomplished as a hermaphrodite
~Lots of energy involved in the process
1. Mutation
What are sources of
2. Crossing over during meiosis
genetic variation?
3. Getting alleles from two different parents
1. BUDDING
What are the asexual 2. FISSION
reproductive strategies? 3. FRAGMENTATION
4. PARTHOGENESIS
~Offspring begins to form on/within a parent
budding ~Process becomes complete when the offspring
breaks free and starts growing on their own
fission ~Individual simply splits into two offspring
~Organism splits into fragments and fragment grows
fragmentation
into another organism
parthenogenesis ~Females don't require men to fertilize eggs
Why do females ~Harsh environmental conditions causes a switch in
sometimes start sexually the females
reproducing sperm to ~Needed in order to increase genetic variation
fertilize their eggs? ~When there is high density and low food availability