lilakatedancer
21.08.2019 •
Biology
Characteristics of arthropods that has attributed to their diversity and success.
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Ответ:
a hard chitinous exoskeleton, body segmentation, and jointed appendages
Ответ:
Hello!
Sexual Reproduction has slightly different stages in plants and animals. Sexual reproduction in plants has the following steps:
PollinationGamete FormationSexual reproduction in animals has the following steps:
Gamete formation Fertilization Zygote formation Zygote develops into embryoAdvantages:
The embryo develops in a protective environment i.e. the ovary in plants and uterus in animals. Sexual reproduction produces genetic variations in the offspring that aid survival and incur resistance to diseases.Explanation:
* Pre-fertilization stages include meiosis 1 and 2 that involve the formation of genetically different gametes.
* The stages, zygote formation and the development of the zygote into an embryo and later into an individual, are classed as post-fertilization stages.