The Sun is a major source of energy for most ecosystems and organisms.
Answer:
tributary
Explanation:
A tributary is a river that runs into another river.
Sensory neurons receive impulses and carry them from the sense organs to the spinal cord or brain. Interneurons connect sensory and motor neurons and interpret the impulse. Motor neurons carry impulses from the brain and spinal cord to muscles or glands.
Answer:
Each plant organ (roots, stems, leaves) contains all three tissue types: Dermal tissue covers and protects the plant, and controls gas exchange and water absorption (in roots). Dermal tissue of the stems and leaves is covered by a waxy cuticle that prevents evaporative water loss.
Explanation:
The observation that he made
about finches that supports Darwin’s hypothesis is the genetic drift. Genetic
drift, the founder principle, and the bottleneck effect all occur under the
conditions when the majority of a population is decimated and there are only a
few remaining organisms left to rebuild the population. This will cause new species could appear
gradually through small changes in an ancestral species.
