Answer:
Explanation:
During prophase I, the homologous chromosomes condense and become visible as the x shape we know, pair up to form a tetrad, and exchange genetic material by crossing over.
I'm not 100% sure, but I think that the digestive system excretes solid wastes only and the excretory system excretes liquid wastes only. So the 3rd option is probably correct.
Answer:
the rabbit is getting energy from nuts ,and grass the squirrel is getting energy from nuts ,grasshoppers ,and grass
Answer:
the main difference between the human and cow digestive system is that cows have a ruminant ... In this way, the kangaroo always has sharp teeth up front.
Explanation:
Answer:
Option-II and III
Explanation:
The wastewater produced by humans like from the human toilets is dumped into the flowing river bodies mostly in rivers and in the lakes also.
The human wastewater is rich in the nutrient contents like the phosphorus, nitrogen, and potassium. These nutrients could be accumulated in the lakes which could cause eutrophication in the lakes and rivers.
Also, the human stool sump is rich in the disease-causing pathogens like the bacterial species present in the gut and intestine.
Thus, Option-II and III are correct.
