Answer:
The basic processes of life include organization, metabolism, responsiveness, movements, and reproduction. In humans, who represent the most complex form of life, there are additional requirements such as growth, differentiation, respiration, digestion, and excretion.
Answer:
B. the energy production in the sun.
Explanation:
The sun ngenerates its energy by nuclear fusion of hydrogen nuclei into helium.
Answer:
This is physics. Not biology. Just search up the speed of sound and light and divide the two numbers to see how many times faster light waves are. Do the same thing for the water.
Answer:
Answer....The choroid plexus are located only within the brain, not within the spinal cord.
Explanation:
The choroid plexus is a network of vessels in each brain's ventricles, which produces cerebrospinal fluid.
They are made up of modified ependymal cells. It also form a Blood- CDF known barrier.
Answer:
Sexual competition often occurs within complex social environments where male displays can be received by potential mates, rivals, or both at once. In brown-headed cowbirds’ breeding flocks, for example, multiple males sometimes vie directly for a single female’s attention; at other times males have opportunities to sing to females without interference. It was tested whether cowbirds vary the intensity of their signalling across contexts like these. The songs were recorded from males courting females both with and without a male competitor in sight. The recordings were now played to solitary, naïve females in sound attenuation chambers, and also to a naïve aviary-housed flock. The songs males had produced when they could see their competitors were more attractive, eliciting more copulatory postures from naïve females and more approaches from birds in the flock.
Explanation: