List and define two types of chemical bonds.
What will be an ideal response?
COVALENT--attractive force between two atoms that share electrons
IONIC--attractive force between ions of opposite charge
HYDROGEN--attractive force between polar molecules
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The endocrine gland that is often called the master gland because of its influential role in regulating the other endocrine glands is the
A) thyroid B) pineal C) adrenal D) pituitary
Alveoli are surrounded by pulmonary capillaries
Indicate whether the statement is true or false.
Which process is most directly associated with the theory of evolution?
a. Populations changing over time b. Mutations changing the gene pool c. Production of large numbers of offspring d. Sexual reproduction producing variation in a population e. Competition between members of a population for limited resources
Ripening fruits are attached firmly to their trees, but once they are mature, the trees must release them. How does this happen?
What will be an ideal response?