a student claims that the y chromosome contains the sex-determining region gene, known as the sry gene, which causes male fetuses to develop testes. which of the following provides correct information about cell signaling that supports the claim?

An ecosystem is shown in the illustration. assume that human activities have led to a decrease in the number of eagles. a virus attack on rabbits has led to a decrease in their population in the ecosystem. which two sentences describe likely effects on the ecosystem? 1. there’s an increase in the number of snakes and insects and a decrease in the number of frogs. 2. there’s an increase in the number of snakes and insects, and the storks face increased competition for food. 3. there’s an increase in the number of storks and a decrease in the number of snakes and insects. 4. there’s an increase in the number of frogs and a decrease in the number of storks and insects. 5. there’s a decrease in the number of snakes, insects, and frogs.

All of the following are jobs that you can obtain after training at a vocational school except: a. medical technician. b. electrician. c. lawyer. d. hotel manager.

Which theory of lunar formation says the moon was flung from a rapidly spinning molten earth