Which of these choices below is not a component of blood?
White blood cells
Plasma
Lymph nodes
Platelets
Lymph nodes
Lymph nodes are commonly associated with the immune system and are found in certain parts of the body.
A group of fish is called…
Flock
Herd
Murder
School
School
“Schooling” refers to when fish are swimming in groups in an almost synchronized way. When fish gather with less coordination, they are called “shoaling”.
What does the pH level measure?
Viscosity
Acidity
Luminosity
Water Level
Acidity
pH level is a measure of hydrogen ion concentration, acidity, or alkalinity of water. The scale ranges from 0 to 14, with 7 being neutral. pHs of less than 7 indicate acidity while a pH level greater than 7 indicates a base.
What is the purpose of your cardiovascular system?
Controls your limbs
Digests food
Delivers calcium to your bones
Circulates blood and oxygen throughout the body
Circulates blood and oxygen throughout the body
Your heart and blood vessels circulate blood and oxygen throughout your body; thus, making up your cardiovascular system.
What is this hypothermic condition called when animals slow down their heart rate to save energy and survive winter without eating much?
Hibernation
Eating
Extinction
Consumption
Hibernation
Hibernation is a way for animals to deal with the harshness of winter. When they hibernate, they curl up in a safe place and stay there until winter ends. They will seem almost dead as they are barely breathing and their body temperature is near freezing.
What is the force that resists the sliding of one solid object over another?
Conduction
Friction
Radiation
Magnetism
Friction
Friction is the force that resists the relative motion of solid surfaces, fluid layers, and material elements rubbing against one another.
What is the part of the body where two bones meet to allow movement?
Skeleton
Ribs
Joint
Spine
Joint
A joint is where two or more bones come together. Examples are joints in the knee, hip, elbow, or shoulder. There are various types of joints including planar, saddle, ball, and socket.
How do you define density?
It is the color of a mass.
It is the height of a shape.
It is the length per volume.
It is the amount of mass per unit of volume.
It is the amount of mass per unit of volume.
Every substance has its unique value for density. It is defined as the ratio of mass to volume of a substance. For example, a lead block has more mass than a block of aluminum, making lead denser than aluminum.
When a species is on the brink of extinction, it is called…
Common
Threatened
Endangered
Exotic
Endangered
When a plant, animal, or other organism is at risk of extinction, they are called an endangered species. This is due to a sudden rapid decrease in population or loss of critical habitat.
What is the scientific term for where an organism lives?
Habitat
Grass
Trees
Ocean
Habitat
A habitat is a place or environment where plants or animals thrive and grow.
What part of the bone is responsible for producing red blood cells?
Soft marrow
Joints
Skin
Muscle
Soft marrow
The bone marrow is the soft, spongy tissue with many blood vessels that are found in the center of some of your bones, such as the thigh and hip bones. It contains stem cells that develop into red blood cells that carry oxygen throughout your body.
What is the term for an animal that mainly eats meat?
Omnivore
Carnivore
Herbivore
Predator
Carnivore
A carnivore is an animal that gets food by killing its prey and eating its meat. Their food and energy requirements are derived solely from animal tissues.
What organ works with your heart to supply oxygen to your body?
Brain
The lungs
Kidney
Stomach
The lungs
The right side of the heart collects and pumps blood to the lungs. The lungs refresh the blood with a new supply of oxygen, thus its reddish color.
It is the force that pulls any two objects together.
Gravity
electricity
Volume
Weight
Gravity
Gravity is the force with which the body draws objects towards its center. The force of gravity keeps all the planets in orbit around the sun.
What is the fibrous connective tissue that attaches muscle to the bone?
Veins
Elastic
Tendons
Nerves
Tendons
A tendon is a cord of strong, flexible tissue that connects your muscles to your bones. Our tendons let us move our limbs and help prevent muscle injury by absorbing some of the impacts your muscles take when you jump, run, or do other movements.
When structures are too small to see easily with the naked eye, they are called
Heteroscopic
Microscopic
Endoscopic
Macroscopic
Microscopic
A microscope is used to view microscopic organisms. It is an optical instrument consisting of a combination of lenses to enlarge tiny objects.
What kind of animal has scales, breathes air, and lays eggs?
Ducks
Insects
Mammals
Reptiles
Reptiles
Reptiles are vertebrates that have special skin made up of bony plates, scales, or a combination of both. Examples of reptiles are turtles, crocodiles, snakes, and lizards.
What is the process of a liquid changing to gas?
Chilling
Melting
Freezing
Vaporization
Vaporization
Vaporization is the process of conversion of matter from the liquid state to the vapor state. There are two types of vaporization: boiling and evaporation.
What scientific theory did Charles Darwin develop?
Gravity
Evolutionary theory
Climate change
Circumnavigation
Evolutionary theory
The theory of evolution seeks to explain the adaptations of organisms, their diversity, complexity, and contrivances as a result of natural processes. His scientific theory became the foundation of modern evolutionary studies.
What is the electrical discharge caused by imbalances between storm clouds and the ground or within the clouds themselves?
Lightning
Gravity
Thunder
Magnetism
Lightning
Lightning is a naturally occurring electrostatic discharge in which two electrically charged regions cause an instantaneous release of an average of one gigajoule of energy.
Oh oh. You are not a genius!
Very good. You are on your way to becoming a genius!
Good job. You are a genius!
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