<span>The product of fertilization is a one-cell embryo with a diploid complement of chromosomes. Over the next few days, the mammalian embryo undergoes a series of cell divisions, ultimately leading to formation of a hollow sphere of cells known as a blastocyst. At some point between fertilization and blastocyst formation, the embryo moves out of the oviduct, into the lumen of the uterus.The images below demonstrate major transitions in structure during early embryogenesis in cattle. Note that in all of the the early stages, the embryo is encased in its zona pellucida. Embryos from other mammals have a very similar appearance, and the general sequence of stages is seen in all mammals.
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Answer:
An arthropod is an invertebrate animal having an exoskeleton like a crab and a centipede.
Answer:
c increases genetic diversity
Explanation:
Mycorrhizae fungus increases the area of the root for absorbing water and minerals from the soil.
Mycorrhizae will develop a mutualism symbiosis with the plant since they both get a benefit. <span>Mycorrhizae will get food from the plant and plant got more water and minerals.
Parasitic fungus only steals food from the plant without giving any benefit to the plant.</span>
Answer:
see below:
Explanation:
From cornea,the light passes through the pupil.The iris or the colored part of your eyes controls the amount light passing through ...... The optic nerve is then responsible for carrying the signals to the visual cortex of the brain.The visual cortex turns the signals into images(for example,our vision).
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