Which organ is a part of the respiratory system? a. lungs b. trachea c. ribs d. all of the above

1. Describe the shape of the planarian. Was there a difference between the two ends of the planarian?

How do the widths of the stomatal openings of plants 6-10 compare with those of the other plants after plant 6 was osmotically shocked?

Which statement best describes a meteorologist? A A person who gives information about the weather B A person who studies weather and climate conditions on Ea C A person who studies Earth D A person who studies meteors in space

The specialized cells involved in sexual reproduction are called: zygotes gametes buds chromosomes

In terms of bonding and attractions explain how the final temperature of dissolving a solid water could be greater than the initial temperature of the water. What type of process does this represent?

Food choices can be influenced by environmental factors, such as

In the human body, which of the following is considered an external defense in the prevention of disease? Mucous Histamines Antibodies Fever

A scoop of ice cream is placed on top of a warm piece of pie in a bowl. Which statements about this scenario are true? Select all that apply. The pie's energy will destroy a portion of the ice cream's energy.

Which swedish biologist is often called the father of taxonmony

Explain why water is critically important to most facets of human life.