The main reason that organisms compete with each other is that - all species need to reproduce
- all life depends on energy from the sun
- most animals are aggressive by nature
- resources in an ecosystem are limited

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

If the frequency of the p allele is .63 in the population then what is the frequency of the q allele?

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.