HELP Thousands of golden toads, shown below, used to occupy the tropical forests of Costa Rica.
In the late 1980s, however, unusually warm weather caused many of the pools that the toads used as breeding areas to dry up. By
2004, the golden toad was listed as extinct.
This example demonstrates how
A. extinction is directly related to human impact.
B. extinction is caused by bacteria, fungi, and other infectious agents.
C. extinction can be related to invasion by non-native species competing for resources.
D. extinction can be related to a failure to adapt to changes in the environment.

What is one benefit of a non renewable resource, such as natural gas? a. generates large amounts of electricity b. less expensive c. produces pollution d. will run out eventually

Protein synthesis actually begins in the nucleus when transcribes a single gene on the dna molecule is copied. the process of copying this gene is called this copy is known as and contains the protein building instructions. this copy is sent out into the cytoplasm to the part of the cell known as the the of the ribosome will join together to form a functional ribosome when they attach to the mrna. as the mrna moves through the ribosome, the message is read by transfer rna brings the correct back to the ribosome. the amino acids are placed in the correct order and are hitched together by

Modern whales developed their traits through natural selection what occurs during the process of natural selection