Where does gas exchange occur in a plant?

a. within flowers

b. inside the seed

c. in the leaf

d. in the roots

Which criteria does the normal sinus rhythm (nsr) meet?

If an X represents a replicated chromosome, how many chromatids of which type does it represent?

During high tide in the Bay of Fundy, Canada, the tide rises more than an inch per minute. Which of the following factors are responsible for the rising tide? A. The moon's gravity and Earth's rotation B. The ocean's conveyor belt and gyres C.

Arrange the following five events in an order that explains the mass flow of materials in the phloem. 1. Water diffuses into the sieve tubes. 2. Leaf cells produce sugar by photosynthesis. 3. Solutes are actively transported into sieve tubes. 4.

What phrases goes though anaphase, prophase, metaphase, telophase

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

5. In humans, the gene for brown eyes is dominant over the gene for blue eyes. If two parents, both heterozygous for brown eyes, have children, what is the probability of having a blue eyed child?

True or false? both lungs are divided into two lobes.

Which mineral property describes a minerals resistance to being scratched?