selectively permeable
The tendency to maintain a stable, relatively constant internal environment is called
Homeostasis
Different finches had different beaks. The types of beaks made a difference in their ability to get food. These traits are called...
adaptations
What does the immune system do?
Protects the body against diseases
State the independent & Dependent Variable

Independent: Marks
Dependent: Number of Students
Where does fertilization of the egg and sperm occur?
Fallopian Tubes
Where does protein synthesis take place?
ribosome
Body Temperature (BLANK), The Brain directs muscles to shiver. Friction from Muscle Shivering (BLANK) Body Heat
(Decrease, Increase)
chromatography
What is a vaccine?
A weakened or dead form of a pathogen
DNA: ATC
DNA: ?
RNA: ?
DNA: TAG
RNA: UAG
1. What is the female gamete?
2. What is the male gamete?
1. Egg
2. Sperm
What organelle does photosynthesis occur in?
chloroplast
Which hormone lowers your blood sugar if it is too high?
Insulin
What is the name of the type of transport when water is moving? Does it require energy?
-osmosis
-no energy
Which is the correct order from least complex to most complex?
a. organelle-->tissue-->cell-->organ-->organ system
b. organ system-->cell-->tissue-->organelle-->organ
c. organelle-->cell-->tissue-->organ-->organ system
d. organ system-->organ-->tissue-->cell-->organelle
c. organelle-->cell-->tissue-->organ-->organ system
What would be the corresponding amino acid for the codon: AUG-UAG

Met-Stop
What organ transfers nutrients and oxygen from the mother to the fetus?
Placenta
The genetic material of an organism is found in which organelle?
Nucleus
When the body acts to oppose(opposite) the stimulus that triggers them
Negative Feedback
What type of cell transport moves from a Low to High concentration and does require energy?
Active Transport
Why are Hormones important for the digestive system? What do they do?
the body's chemical messengers, These signals tell your body what to do and when to do it. Hormones are essential for life and your health
These structures are called

Homologous Structures
What 2 things do the ovaries produce?
eggs and estrogen
cellular respiration is performed here and makes what?
-mitochondria
- ATP (energy)
After birth, a mother lactates (secretes milk). The more her offspring breastfeeds, the more she lactates. Is this scenario an example of a
Positive Feedback
What laboratory technique allows scientists to separate bands of DNA molecules according to size?
gel electrophoresis
Explain how the circulatory and respiratory systems work together.
The respiratory system brings oxygen into the body and the circulatory system transports the oxygen around the body.
Which letter was the first to go extinct
Letter D
Why are the testes structured to be outside of the body?
the temperature of the testicles needs to be cooler than the inside of the body