Answer:
Chitin
Explanation:
This glucose derivative is in fact the main building block of cell walls in not only arthropods (including the shrimp), but also fungi and insects, and also has a structural function in the scales of fish. The most similar commonly-known substance in terms of function is keratin, which makes up our hair and nails.
Answer:
300,000 years ago
Explanation:
Homo sapiens evolved from their early hominid predecessors between 200,000 and 300,000 years ago and developed a capacity for language about 50,000 years ago.
The brain injury suffered by Phineas allowed psychologists to learn about the functions of the brain's FRONTAL LOBE.
The man case was the first one in which a brain damage will result into a change in personality. The damage to the Phineas frontal lobe helped scientists to recognize the connection between the frontal lobe of the brain and social cognition and decision making.<span />
They both take place in the nucleus :)
Answer:
respiration,photosynthesis
Explanation:
I'm not so sure the first blank is cellular respiration but I'm posive the second blank is photosynthesis:)
