Heredity & Genetics
Organisms that have two identical genes (ee) for a particular trait are said to be _______
Homozygous Recessive
In Africa, buffalo and zebras eat the same kinds of grasses. Their relationship is an ecological example of ________________.
competition
Parasitic
What is the function of a platelet?
blood clotting
What is the cell that is a major part of the Nervous System?
Neuron
This type of mutation is usually not as severe as the others ________________.
a. point mutation
b. insertion
c. deletion
a. point mutation
Similar structures in different species are called _______________structures.
Homologous
Define herbivores & provide an example.
an organism that feeds mostly on plants
example: cows
What are the three types of blood vessels?
1. Veins
2. Capillaries
3. Arteries
1. Which blood vessel carries blood AWAY from the heart?
2. Which blood vessel carries blood TOWARDS the heart?
1. Artery
2. Vein
The possible genotype outcomes for the offspring resulting from the cross of AA x Aa is ___________. (hint: make a Punnett square)
2:2:0
Draw a phylogenetic tree and circle where two species are more closely related.
Miss Zielinski will draw an example on the main board.
Put these terms in the correct order from smallest to largest:
Biosphere, ecosystem, organism, community, population
Organism, Population, Community, Ecosystem, Biosphere
An involuntary action that uses the spinal cord but not the brain is called a __________.
Reflex.
Picture a patients vial of blood as it has been separated into its distinct parts. What is the yellow portion called? What makes up most of this portion?
Yellow portion is called plasma and it is made up mostly of water. (wudder)
A couple has 5 sons, what is the probability that their next child will be a girl?
50%
Give an example of artificial selection and be able to explain it.
Example: Chihuahuas and Great Danes are both descended from wild wolves and were bred by humans for their specific characteristics.
Artificial Selection: the identification by humans of desirable traits in plants and animals, and the steps taken to enhance and perpetuate those traits in future generations.
Think of the biomass pyramids we created in class. Which level has the MOST stored energy?
The bottom level (the primary producers i.e. grasses & shrubs)
What are the two main divisions of the central nervous system?
the brain & spinal cord
Describe what happens to the diaphragm when you inhale.
The diaphragm muscle moves upward.
Define fertilization. (hint: draw what is happening)
The joining of an egg cell and sperm cell
What does the "fittest" mean in an evolutionary sense?
1. The longest lived
2. The strongest
3. The most reproductively successful
4. The best at avoiding being eaten
3. The most reproductively successful
Which of the examples below can BEST be described as mutualism between animals?
A. A tapeworm lives in the intestine of a bird and consumes the food that the bird has eaten
B. Mountain lions and wolves fight each other for the same deer
C. A bird eats parasites off a rhinoceros while the rhinoceros provides protection to the bird
D. Rats live in the garbage dump of a town and rarely interact with people
C. A bird eats parasites off a rhinoceros while the rhinoceros provides protection to the bird
A patient comes in with trouble breathing. They report being exposed to some allergens shortly before this episode.
Which Respiratory Disease do you believe this patient could have?
Asthma
What is the main function of these body systems?
1. Respiratory
2. Digestive
3. Cardiovascular
1. to provide the body with a fresh supply of oxygen
2. to convert food particles into simpler macromolecules that can be absorbed into the bloodstream and used by the body
3. to deliver oxygenated blood to the various cells and organ systems in your body so they can undergo cellular respiration