Most mammals have fertilized __________ that develop inside their mothers body

A male frog releases or secretes a fluid which contains sperm, over a cluster of the female frog's eggs. What process is taking place if the eggs are fertilized?

Female cells (or gametes) are called __________?

Amphibians have all of the following characteristics except ______________________.

What do mammals and birds have in common when it comes to development?

In which animal does the fertilized egg develop outside the mother's body?

Which part of reproduction does this picture show?

Which part of reproduction does this picture show?

Which part of reproduction does this picture show?

Select the animals whose fertilized egg develops outside the mothers body.

Select the animals whose fertilized egg develops inside the mothers body.

Which of these represent asexual reproduction?

What pictures represent steps in the animal reproduction process?