10). Internal and external fertilization both A) produce zygotes. B) occur only among invertebrates. C) occur only among terrestrial animals. D) depend on the use of intromittent copulatory organs. E) occur only among birds.

a.produces zygote

Explanation: reproduction is tge process where organisms both plant and animals produce similar organisms to their,in order to continue their existence.reproduction could be internal or external.the male organism may directly deposit sperm into the female reproductive tract to fertilize the egg or it may fertilize the egg outside of the female.in both cases,a zygote is formed From the fusion of both male and female gamete.this zygote undergoes several mitotic Division to become a matured organism.

External fertilization occurs in fishes and Amphibians eg frogs. and internal reproduction occurs in mammals and birds

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

hi, natural selection of the peppered moth during the industrial revolution in 19th-century england is an example of an outlier in the study of evolution. during this time, pollution from factories filled the forests, coating trees in a layer of soot—turning white trees black

mark as brainlest

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