Answer:
A) species with short reproductive cycles
Answer:
Nucleus is the structure present in the cells that directs the cell activities.
Explanation:
Nucleus is responsible for cell division also it has heredity material stored inside it in the form of DNA.
It also plays a very important role in the synthesis of particular enzymes as well.
Answer:
Explanation External fertilization is characterized by the release sperm and eggs into In fertilization protects the fertilized egg or embryo from predation an Ovoviparity is characterized by an organism retaining a fertilized egg
Answer:
animals create energy using photosynthesis
Explanation:
its the only true statement there
<span>They are stuck to the floor in the oceans, sea, and rivers. They are known as Porifera. The Poriferans are simple multi cellular animals. </span>Sponges<span> are very primitive creatures that scientist think </span>evolved<span> around 500 million years ago </span>