What is located between the upper and lower chambers of the heart?

In an ecosystem, which component is not recycled > water >energy >oxygen >carbon

A niche is an organism's role in an ecosystem. Which of the following best describes the niche of the wood mushroom in a forest ecosystem?

1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. Vitamin C 2. you need 6 or more servings of this food group each day Vitamins D and A 3. found in fruit and keeps blood vessels healthy calcium 4.

A caldera forms when the bottom of the magma chamber that fueled the volcano falls further underground. Question 1 options: a) True b) False

Camouflage is a. an adaptation that evolved through natural selection. b. a necessary trait for commensalism. c. part of a well-adapted pioneer species traits. d. all of the above.

Match these items. 1. new varieties of roses animal husbandry 2. new varieties of chickens archaeology 3. beginnings philosophy 4. a body of personal ideas and opinions plant breeding 5. ancient history, cultures origin

Read the passage below. It summarizes survey information. The Global Youth Tobacco Survey asks youth to fill in the answers to several questions about their tobacco use.

Dysfunctional breathing results in an increase in the activity level of which of the following secondary respiratory muscles a. Scalenes b. Rectus abdominis c. Internal oblique d. Diaphragm

What does it mean when we say that water molecules break apart?

What is the author's purpose for writing the essay "How the Grimm Brothers Saved the Fairy Tale"? O to entertain children with details from the Grimms' tales o to persuade adults to read and enjoy fairy tales more often to inform scholars of the