Answer:
For one thing, there's lots more of it. There are many more environmental niches to be occupied in salt-water bodies, and importantly, they're all connected, making it easier for species to migrate and adapt to new habitats. Conversely, fresh-water habitats are often more isolated, confining species to a single habitat and decreasing the likelihood that they'll be able to migrate and adapt.
Explanation:
Autosomal recessive inheritance: two unaffected people who each carry one copy of mutated gene for and autosomal recessive disorder (carriers) have a 25% chance with each pregnancy of having a child affected by the disorder.
Answer:The light reaction is the initial stage of photosynthesis which traps light energy to produce ATP and NADPH, whereas dark reaction is the second step of photosynthesis which utilizes the energy from ATP and NADPH to produce glucose.
Explanation:
The spinal cord and the brain make up the central nervous system, and spinal cord nerves carry most messages between the brain and the rest of the body.
The vagus nerve carries the signal from the brain to the heart.
