Answer:
False
Explanation:
In osmosis, water always moves from an area of higher water concentration to one of lower concentration.
Answer:
The marine clamworm, Nereis, is carnivorous therefore its digestive system differs from that of the herbivorous earthworm, Lumbricus. The mouth and jaws are retractable (Figure 8, 9). If the jaws are retracted, cut along the midline of the pharynx and pull the jaws out with a pair of forceps.
Explanation:
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Explanation:
in binary fission one amoeba cell divide into two daughter cell which are genetically identical
first the nucleus divide into two then the cytoplasm divide and two new daughter cells are formed
Answer:
Deforestation
Explanation:
people cut down trees to use for paper shelter and heat . when they over do it and clear a large part of the forest its clased deforestation.
Answer: option B) Sympatric speciation is best described as a random event that disrupts the allele frequencies in a population.
Explanation:
Sympatric speciation is an event/situation whereby organisms of the same species:
- live in the same territory or nearby territories ( i.e do not live in geographical isolation)
- DO NOT interbreed, but select a sexual mate from a much diverse territory to yiels new species or offsprings that are genetically different from their parents, and causing uneven gene flow or disruption of alleles known to have been prevalent among the parent organisms
So, only option B is true
