Answer:
Nitrogen about 77 percent of the atmosphere is composed of nitrogen
These names are significant because they enable clear communication about animal species among people all across the world.
<h3 /><h3>What are the significance of northern leopard frogs?</h3>
In ponds where it lives, the northern leopard frog is probably a significant indicator of the water's quality. This species is an essential component of the food chain, and tadpoles, which are the main eaters of algae in ponds, can have a big impact.
<h3>What distinguishes tree frogs from other frog species?</h3>
These frogs are most easily recognized by their feet, which have claw-shaped toe bones as their last bone. They can also climb trees thanks to toe pads with small suction cups and extraskeletal structures on their toes. They are available in a number of hues, the most popular being green, gray, or brown.
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Terrestrial ecosystems (tetrapods)
Answer:
6==. During spermatogenesis, four sperm result from each primary spermatocyte, which divides into two haploid secondary spermatocytes; these cells will go through a second meiotic division to produce four spermatids
Explanation:
Only 10% of calories will be transfered to the next higher level.
5000 * 0.1 = 500.
500 calories will transfer to the secondary consumers.