Is a frog biotic? explain

What is a chemical reaction? use correct vocabulary in your response, and provide an example of a chemical reaction.

A red-flowered plant was crossed with a white-flowered variation of the plant. all of the flowers on the next generation of plants were red. decide which flower color is recessive for this plant and which is dominant

What is a property of epithelial tissue?

What layer of the atmosphere receives enough energy from the Sun to break apart molecules and atoms?

Which of the following is needed in the process of DNA replication? enzymes ATP energy nucleotides all of the above are needed in DNA replication

Which of the following sentences is the best example of a hypothesis a. UV radiation does not cause skin cancer. b. chickens lay more eggs when they are happy. c. why does the earth orbit around the sun? d. how many types of organisms are there?

What will most likely result when the jet stream moves south of North Carolina

Why is the hormone oxytocin important?

4. One of the jobs of the endocrine system is to give directions to your body about when to grow and develop. Can you think of some times during a person's life when the body changes? Avita

Describe the effect of mutation