Answer:
Porifera or Sponges
Explanation:
Porifera is the phylum of the simplest multicellular marine animals. Their body is composed of two cell layers (something like tissues) and mesophyl between them. The body is in direct contact with surrounding water through the large number of pores and channels. What makes Sponges so simple is that their cells are unspecialized and that they don't have nervous, digestive or circulatory systems.
Answer:
Explanation:
relating to the branch of biology that deals with the normal functions of living organisms and their parts.
"physiological research on the causes of violent behaviour"
relating to the way in which a living organism or bodily part functions.
"slow down your body's physiological response to anger by breathing deeply"
Answer:
C, Both parents have the blue-eyed gene.
Answer:
Nitrogen is removed from the atmosphere mainly by nitrogen-fixing bacteria in the soil and oceans (blue-green algae).
Explanation:
Nitrogen is removed from the atmosphere mainly by nitrogen-fixing bacteria in the soil and oceans (blue-green algae).
