Q: What is the largest vein in the human body? A: Vena cava
Q: How many chambers does a human heart have? A: 4
Q: True or False: Acne can be caused by eating too much chocolate. Q: FALSE
Q: What is the name of the major artery leading out from the heart? A: Aorta
Q: What is the part of a living cell which contains DNA called? A: nucleus
Q: How many chromosomes in a horse's cell? A: 64
Q: True or false: A bat is a rodent. A: false
Q: What is the name of the dark pigment that causes many animals to be black or dark brown? A: melanin
Q: "Heartstrings" can be found in what part of the heart? A: valves
Q: What is the process by which plants manufacture their food? A: photosynthesis
Q: The largest organ a human has is which? A: skin
Q: What is another name for a nerve cell? A: neuron
Q: A body part that is commonly found in an animal, but which is not used and often present in a smaller version than in other animals, is described as a _____ part. A: vestigial
Q: How many chromosomes in a human cell? A: 46
Q: The part of a plant cell in which photosynthesis takes place is called a _______. A: chloroplast
Q: A genetic trait which is present but unseen in an individual is called a ______ trait. A: recessive
Q: The first name in an animal or plant's scientific name is the name of its _______. A: genus
Q: In an average adult human body, how many bones are there? A: 206
Q: True or false: A bat is an insect. A: False
Q: A dolphin's or whale's tail is called it's what? A: Fluke
Q: ____ are used for carrying messages from one part of your body to another via electrochemical processes. A: Neurons
Q: What is the largest artery in the human body? A: Aorta
Q: A tail which is capable of grasping and holding objects is said to be _____. A: Prehensile
Q: The first name in an animal or plant's scientific name is the name of its _______. A: Genus
Q: The giant cattle which were once found in Europe but are now extinct were called what? A: Aurochs
Q: The science and process of naming living organisms is called what? A: Taxonomy
Q: True or false: A spider is an insect. A: False
Q: True or false: Male birds have two X chromosomes. A: True
Q: What is another name for a nerve cell? A: neuron
Q: True or false: If you make a cut one inch wide all the way around the girth of a large tree and remove all the bark, the tree will die.
A: True
Q: Is bamboo a grass or a tree? A: grass
Q: The basic unit from which proteins are made is called an ______. A: Amino acid
Q: The yellow center of an egg is called what? A: yolk
Q: True or false: All the bees in a beehive are related. A: True
Q: Which part of a cactus is analogous to an herbaceous or woody plant's leaves? A: spines
Q: What is the connection between neurons called? A: synapse
Q: A Shark's skeleton is made up of what substance? A: Cartilage
Q: A stingray's bones are made of what? A: Cartilage
Q: True or false: the left side of the heart contains oxygenated blood: A: True
Q: What bird has the largest wingspan? A: Albatross
Q: Hair that grows to a uniform length and is seasonally shed is called what? A: Fur
Q: The cells in the retina of the eye which detect color are called what? A: cones
Q: The objects in blood which cause it to clot are called what? A: Platelets
Q: What is the "tail" of a one-celled organism called? A: flagella
Q: A chemical produced in one part of the body which tells other body parts when to be active is called a ________. A: hormone
Q: What is the name of the green pigment in plants? A: chlorophyll
Q: Hair that grows to a uniform length and is seasonally shed is called what? A: Fur
Q: One way to tell a hawk from a falcon is that in general, hawks have yellow eyes and falcons have _____ eyes. A: Brown
Q: Each gene has from two to several different forms, called what? A: Alleles
Q: The "whiskers" on a catfish or koi are called what? A: Barbels
Q: True or False: some dolphins live only in rivers A: true
Q: Dolphins have conical teeth and porpoises have teeth in what shape? A: Spade
Q: "Heartstrings" can be found in what part of the heart? A: Valves
Q: What element is most common in Earth's atmosphere? A: Nitrogen
Q: True or false: A coral is a colony of living animals. A: True
Q: The central part of a feather is called the what? A: Rachis
Q: A chemical which breaks down proteins in the body into smaller bits is called a what? A: Enzyme
Q: Feathers, hairs, hooves and nails are all made of what substance? A: keratin
Q: The double-stranded DNA molecule is held together by four chemical components called ______? A: bases
Q: A plant's response to touch is called? A: Thigmotropism
Q: A protein you need to live, but which your body cannot make, is called a what? A: essential amino acid
Q: What is the name of the protein found in saliva that helps to heal wounds? A: Slpi