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100
The stalk that attaches a leaf to the stem is called the ? .
What is petiole
100
The protective outer layer of the skin is called the ? .
What is epidermis
100
The acid produced by the stomach that helps soften food and kills bacteria is ? .
What is hydrochloric acid
100
who is the vice president
What is biden
100
The oil that waterproofs the skin and keeps it soft and flexible is ? .
What is sebum
200
The type of fruit that includes peas, beans, and peanuts is the ? .
What is legume
200
The organs of the skin that help regulate body temperature are the ? .
What is sweat glands
200
The primary job of red blood cells (erythrocytes) is to ? .
What is transport oxygen throughout the body
200
A bat and ball cost $1.10. The bat costs one dollar more than the ball. How much does the ball cost?
What is .5
200
The thick sheet of muscle that separates the chest cavity from the abdominal cavity and functions in respiration is the ? .
What is diaphragm
300
The portion of a root responsible for absorbing water and minerals from the soil is the ? .
What is root hairs
300
The enzyme produced by the kidneys to control blood pressure is ? .
What is renin
300
The hormones insulin and glucagon regulate the level of ? in the blood.
What is glucose
300
Capital of canada
What is ottowa
300
The tiny air sacs in the lungs that allow gases to be exchanged between the air and the blood are the ? .
What is alveoli
400
Nonflowering plants that reproduce by seeds not covered by the walls of an ovary are classified as ? .
What is gymnosperms
400
The purpose of ATP in the body is to ? .
What is temporarily store energy for cell processes
400
What goes up and down, but still remains in the same place
What is stairs
400
Green plants use a light-driven process called ? to manufacture glucose from water and carbon dioxide.
What is photosynthesis
500
The proper order of classification groups in the Linnaean system is ? .
What is kingdom, phylum, class, order, family, genus, species
500
The primary organ of digestion and absorption is the ? .
What is small intestine
500
The part of the brain primarily responsible for thought, memory, and consciousness is the ? .
What is cerebrum
500
In a year, some months have 30 days, while some have 31. Guess which month has 28 days?
What is all of them
500
The tube through which liquid wastes are expelled from the urinary bladder is called the ? .
What is urethra