How many golden toads could be observed during mating season when the toads population was thriving?

1500 golden toads are reported, its breed at the site since 1972, the last documental breeding of the toad are few in number.

Explanation:

When the dry seasons ended and the forest become wetter, then the males toads are gathered in the group of large numbers near the ground and wait for the females.

All the golden toads are live in the same places with the all microorganisms. The surrounding community,  has the environment in which golden toad is diversed and get extinct.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

answer: tributaries flow into rivers.

wetland is a biome that develops when the water gets accumulated in a land exhibiting a huge depression. these form either seasonally or permanently. the water in the wetland comes from rivers, lakes, ocean, flood, rain or other sources. the wetlands includes mangroves, marshes and peatland.

tributaries flow into the rivers develops a wetland because such water will get deposited in the depression and will restrict the original flow of tributary water. hence, water with low drainage current combines with the river water.