Hey there!
Your answer is option B.
Alleles are two forms of single genes.
Hope this helps you.
Have a great day (:
The mesoderm is one of the germ layers present in an embryo and it develops primarily into muscles and organs. The radioactive marker would therefore be visible in the adult organism's cardiac muscle cells, smooth muscle cells, skeletal muscle cells, red blood cells and many other such specialized cells.
Answer:
C)radial symmetry.
Explanation:
The central nervous system (CNS) is a part of the nervous system, it comprises the spinal cord and the brain. The brain plays in an important role in controlling most functions in the body such as movement, memory, speech etc.
Animals that have bilateral symmetry have a central nervous system because of the presence of the brain. But animals with radial symmetry such Cnidarians which include corals and jelly fish, do not have a central nervous system. Instead of the presence of neurons, they possess nerve nets.
I believe it’s B. Change state of matter.
Tree sap getting hardened
100,000,000 years ago there were mosquitoes like today and also like today they fed on the blood on animals. Namely dinosaurs
Sometimes after biting a dinosaur they’d land on a branch of a tree and get stuck in its sap
