If a kestrel eats a mouse that eats grass, the kestrel is a

A] producer

B] second-level consumer

C] first-level consumer

D] decomposer

Explain the three main steps in the process of dna replication

How does an increase in carbon dioxide concentration can lead to global warming

Which is the correct direction of blood flow? Question 1 options: right atrium - -> right ventricle - -> pulmonary artery left ventricle - -> left atrium - -> aorta right atrium - -> left atrium - -> pulmonary artery left ventricle - -> pulmonary

Adélie penguins and crabeater seals both feed on krill. Which term best describes the relationship between Adélie penguins and crabeater seals? parasitism competition mutualism predation

If the rice already had the genes that could make vitamin A, why did scientists use genes from other organisms? A. The rice genes didn't make the right type of vitamin A. B.

What was Marshall Nirenberg and Heinrich Matthaei's contribution to our current understanding of the genetic code? discovery of codons discovery and extraction of DNA creation of a model of DNA creation of Photo 51

How does pili affect the formation of bacterial colonies?

Cancer viruses transform cells by integrating themselves into what part of the host cell?

What is a linnet squar

Why are negative feedback loops used to control body homeostasis? (Short answer)