<span>This barrier is known as reproductive isolation and and generally occurs when two species have incompatible genitalia which are unable to function together. It can also occur when the sperm of the male species is unable to be fertilized by the female, regardless of genital compatibility.</span>
Answer:
A.tissue
Explanation:
Water is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms. It is vital for all known forms of life, even though it provides no calories or organic nutrients
Answer:
turning off the tap while brushing your teeth. using water-saving toilets. installing a water-saving shower head. taking shorter showers.