Answer:
<h3>Habitat isolation is responsible for causing speciation between the two species of garter snakes.</h3>
Explanation:
- Habitat isolation is a type of isolation in which two species are barred from mating or interbreeding due to the presence of physical barriers between them such as mountains, rivers, etc.
- Habitat isolation only can happen if two species occupy different habitats.
- Example- Gryllus pennsylvanicus prefer to live in those soil which has less water content like in sandy soil & Grylus firmus prefers to live in soil rich in water moisture i.e. loamy soil
Answer:
1. D
2. B
Explanation:
1.They inject the virus when sucking out the blood.
2. Bear/Mouse because bears don't seek out and eat mice.
Ans: C- species specialization
Transmission. West Nile virus is most commonly spread to people by the bite of an infected mosquito. Mosquitoes become infected when they feed on infected birds. Infected mosquitoes then spread West Nile virus to people and other animals by biting them.
Sugar comes from either sugar cane or sugar beet<span> with the climate of a geographical region being the prime influence on which is grown. In both cases, the juice is extracted from the </span>sugar beet<span> or cane and impurities are removed. It is then crystallised into white sugar, which is 99.95% sucrose.</span>