A student observes a blood vessel in a grasshopper. For this reason, the student claims that the grasshopper has a closed circulatory system. Evaluate the students claim.

What are two things that come out of the uretha

What does alternative energy mean? A. Energy sources produced through technology B. Energy produced by natural processes O C. Energy sources other than fossil fuels D. Energy sources other than solar energy

Historically, the earth's ocean had a ph of 8.2. In recent years it dropped to 8.1. How might this affect the ocean environment

Question 12 What is a transgenic organism? a. one that is composed of non-living material. b. only some bacteria exposed to other bacteria c. a transgenic organism has gene (s) from another species. d. any plant variety in the same species

Occurs when the body receives antibodies from another source, such as a child receiving antibodies from its mother

Explain how the fit of the continents can be used as evidence or continental drift

Blood pressure is a cognitive process because it is observable with lab equipment. true or false

What is the 10% rule?

Carbon dioxide (co2 is released during which of the following stages of cellular respiration? a glycolysis and the oxidation of pyruvate to acetyl coa b oxidation of pyruvate to acetyl coa and the citric acid cycle c the citric acid cycle and

In the tropical rainforest water cycle trees get water in the form of