Explanation:
The effects of soil erosion go beyond the loss of fertile land. It has led to increased pollution and sedimentation in streams and rivers, clogging these waterways and causing declines in fish and other species. And degraded lands are also often less able to hold onto water, which can worsen flooding.
Answer:
2 Barr bodies
Explanation:
A Barr body is an inactive X chromosome. The inactive X chromosome is transcriptionally inactive. They derive their name from Murray Barr who discovered them
The Barr bodies are usually visible in humans with more than one X chromosome at interphase during cell division.
For a human male with the chromosome XXXYY, there will be 2 Barr bodies since he has 2 extra X chromosomes.
Answer:nonliving air is a gas
Answer:
Males use a protein to detect pheromones sent by females.
Protein work as a chemical signal for the mating.
Explanation:
Pheromones are secreted by the individual of the similar species and they provide signals for communication by releasing a protein substance, they are like alarm substances.
This protein helps to guide females and males so that reproduction can occur.
Females beetles released sex pheromones into the environment, which give a signal of their mating availability.
Then these pheromones are detected by receptors present on the male beetles, and in this way, they find the females for mating .