Answer:
cephalochordates
Explanation:
Cephalochordata is one of the subphylos of the phylum Chordata with about 30 species. Cephalocords are small (centimeter long) animals, thin, laterally flattened (like the body of fish), transparent and live buried in sandy substrates leaving only their heads apparent. They are currently represented by the amphioxes. Cephalocords are the group of invertebrates that is most related to vertebrates.
The body of the cephalocordates is composed of longitudinal (horizontal) muscles that are divided by blocks called myotomes. The notochord holds in adults giving a stronger structure to the body.
Answer: Human survival on Mars would require living in artificial Mars habitats with complex life-support systems. One key aspect of this would be water processing systems. Being made mainly of water, a human being would die in a matter of days without it.
Explanation: have a good day
Answer:
Mutualism
Explanation:
I dont remenber, but its true.
Answer: HOPE IT WILL HELP U ...
Explanation:
1. It help to provide the direct employment to farmer.
2.It is the natural-friendly and most peaceful method of livelihood .
3.It is the primary source of the economic prior to the industrial revolution.
4.It contributes to the nations food safety and health .
B! Hope it helps... Have a great day!