The joining of an egg cell and sperm cell.
Fertilization
Budding is a form of:
A. Gestation
B. Sexual reproduction
C. Complete metamorphosis
D. Asexual reproduction
D. Asexual reproduction
During INTERNAL fertilization, an embryo forms inside the female's body.
True
Which branch of science includes the study of plants, animals, and the human body?
A. Scientific literary
B. Life science
C. Earth and space science
D. Physical science
B. Life science
One difference between sharks and most fishes is that sharks have _______ fertilization.
internal
What are the 2 gases that animals exchange with their environment: oxygen and ?
Carbon dioxide
What provides support and protection for many insects?
Exoskeleton
When a muscle CONTRACTS, it returns to its original length.
False, relaxes
Which animal has a digestive system most similar to a human?
A. Octopus
B. Cow
C. Wolf
D. Jellyfish
C. Wolf
Yeast cells undergo a form of asexual reproduction called _________.
budding
Identify the structures labeled C and describe their function.
Fins; help the fish stay upright and provide swimming power
An adaptation that helps amphibians move from place to place in the water.
Webbed feet
As it changes from tadpole to adult, a frog's body undergoes a series of dramatic changes. Hind legs develop and the tail disappears. This process is called:
Metamorphosis
Snakes move by contracting MUSCLES connected to their ribs and backbone.
True
After they are born, most mammals:
A. Reproduce sexually
B. Begin to fly within two weeks
C. Can care for themselves
D. Are helpless for a long time
D. Are helpless for a long time
The traffic light turns green, and the driver steps on the gas pedal to make the car move forward. The green traffic light acted as a ________ that causes a response in the driver.
stimulus
How does the nervous system of a fish help it to move?
The swim bladder helps the fish stay at a certain depth. Their brain works with their muscles to move their fins.
Describe the functions of a vertebrate's skeleton. (3 things)
Provides support to the animal, protects its organs, and helps it move in its environment,
An offspring that is genetically identical to its parent uses this type of reproduction.
Asexual
This animal has the simplest and least organized nervous system.
Cnidarian
A butterfly's mouthparts are adapted to LAPPING up nectar.
False, suck
What 3 systems work together to make an animal move about?
A. Nervous system, digestive system, circulatory system
B. Nervous system, skeletal system, muscular system
C. Nervous system, digestive system, muscular system
D. Nervous system, circulatory system, muscular system
B. Nervous system, skeletal system, muscular system
During incomplete metamorphosis, an egg develops into a _________.
nymph
Which of the animals above exchange oxygen and carbon dioxide with the environment?
D. Earthworm
Name the three different kinds of neurons in the body and describe the function of each.
1. Sensory neurons- nerve cells that detect stimuli
2. Interneurons- nerve cells that pass information between neurons
3. Motor neurons- nerve cells that carry response information to muscles and other organs
Suppose you close a window because you notice that rain is falling. Your action in closing the window is a ?
Response
Tiny, thin-walled blood vessels where the blood and body cells exchange substances
Capillaries
The process by which cells use oxygen and digested food molecules to release energy is called DIFFUSION.
False, cellular respiration
Why are some muscled attached to bones?
A. They have the same function as bones.
B. All muscles and bones are cartilage.
C. They are part of the skeleton.
D. They move the bone to help move the body.
The more complex an animal's nervous system is, the more ________ its sense organs are.
specialized
Identify animal C and describe how it gets food.
Sponge; digests food in specialized cells in their bodies (intracellular digestion)
Explain the difference between cellular respiration and breathing.
Breathing is taking oxygen into the lungs and getting rid of carbon dioxide.
Cellular respiration is when cells use oxygen and digested food molecules to release the energy in food.