The organism that cerebral ganglia in its head connected to ladder-like arrangements of nerve fibers is
A. flatworms
A flatworm is an invertebrate whose central nervous system or the cerebral ganglia is connected to its body by means of ladder-like nerve cords.
Answer:
1. Diptheria
2. Tetanus
3. Pertussos (whooping cough)
4. Poliomyelitis (Polio)
5. Measles
6. Mumps
7. Rubella
8. Haemorphilus Influenzae type b infections
etc...
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Answer:
search this up
Explanation:
then add quiz let at the end :) hope this
The correct option is C.
Specie specific signals are those signals which are limited to only one specie of animal. The specie usually use it to communicate with the members of the specie. Each signal normally have a specific meaning and will produce uniform response in its receivers.
Answer:
It's just like normal puberty, but it happens early. The pituitary gland starts making hormones called gonadotropins. These hormones cause the testicles or ovaries to make other hormones: testosterone or estrogen. These sex hormones cause the changes of puberty, like breast development in girls
Explanation:
