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What statements about vertebrates is true?
The development of an amniotic egg and internal fertilization allowed vertebrates to reproduce away from water.
Why is fertilization internal for humans?
Human evolution goes back from mammals (what we are) to reptiles. One of the huge breakthroughs in the sucess of reptiles was adapting to a land existence. This included both internal fertilization and the amniotic egg (prior to this (by and large) animals shed their gametes into the water.. Our fertilization is internal because via the processes of evolution and adaptation that shapes all life on this planet yielded internal fertilization as a way to live on land yet still be able to keep the gametes (sperm and egg) from drying out. Like your private parts...thank a reptile!
How do animals fertilize plants?
Internal fertilization and external fertilization. Internal fertilisation means fertilize the egg inside the female's body. External fertilization is fertilize the egg after the female had lay it out. All mammals including platypus and spiny anteater do internal fertilization.
How is an amniotic egg important adaptation for reptiles?
The amniotic egg allows reptiles to reproduce on land, away from water.
What are two crucial reproductive adaptations animals needed to make in order to live on land?
One adaptation is the amniotic egg; a waterproof egg with a shell. It also has an amnion that will protect the embryo from drying out. The other is internal fertilization: when the sperm has to enter directly into the female because the sperm does not survive in the air. Previously animals, like sponges, had to spread their sperm through the water in hopes of fertilization. Both of these adaptions are crucial to life on land and we would not be here without them.
What statements about vertebrates is true?
The development of an amniotic egg and internal fertilization allowed vertebrates to reproduce away from water.
Why are mammals considered to be amniotes even though most mammals do not produce an amniotic egg?
because they can internal fertilization and have water tight skin
Why is fertilization internal for humans?
Human evolution goes back from mammals (what we are) to reptiles. One of the huge breakthroughs in the sucess of reptiles was adapting to a land existence. This included both internal fertilization and the amniotic egg (prior to this (by and large) animals shed their gametes into the water.. Our fertilization is internal because via the processes of evolution and adaptation that shapes all life on this planet yielded internal fertilization as a way to live on land yet still be able to keep the gametes (sperm and egg) from drying out. Like your private parts...thank a reptile!
Why are there more egg and sperm cells produced during external fertilization than during internal fertilization?
Why are there generally more eggs and sperm cells produce during external fertilization thean internal fertilization
Is birds fertilization internal or external?
All birds fertilize their eggs internally. A male bird has to mate with a female in order for a fertilized egg to be produced.
What are the differences between internal fertilization and external fertilization?
Internal fertilization is where the egg is fertilized inside the body(such as humans) and external fertilaztion is where the an egg is laid and then fertilized. Such as in fishes!
What reptile has internal fertilization?
Since most reptiles have hard shells, it would be impossible to fertilize an egg after it is laid. Therefore most reptiles perform a sort of internal fertilization.
How do animals fertilize plants?
Internal fertilization and external fertilization. Internal fertilisation means fertilize the egg inside the female's body. External fertilization is fertilize the egg after the female had lay it out. All mammals including platypus and spiny anteater do internal fertilization.
What kind of fertilization is the locust?
Locusts use internal fertilization for reproduction. This is when the male locust actively copulates with the female to produce the fertilized egg.
How do placental reproduce?
Placentals reproduce by the sperm fetalizing An egg. They reproduce throughout internal fertilization
How do cephalopods reproduce?
fertilization of the female egg is internal and cephalopods have both female and male reproductive organs so reproduction is internal
Do kangaroos have internal or external fertilization?
Giraffes have internal fertilization. Giraffe gestation lasts 400 to 460-days. The mother gives birth standing up to a single calf. The mother then grooms the newborn and helps it stand up.
