Ecology/ ESS
Using the command term define, what is the term for a random, permanent change in the nucleotide sequence (genotype) of a gene that may result in an altered trait
+ 50 Extra points State which type of biomolecule/macromolecule is DNA.
Mutation
+ 50 Points: Nucleic Acid
Define, what is the term for the distance between two consecutive wave crests (or troughs)?
wavelength
The physical appearance or observable traits of an organism is known
HINT: Is one word
Last Chance Choose the best answer:
a) Dominant genes
b) Genotype
c) Phenotype
d) Allele
+ BONUS 100 POINTS
Name the subatomic particles and their charges
Protons +
Electrons -
Neutrons +/-
Using the command term identify, name the West African country that is the birthplace of physicist teacher Michael Donkor
Ghana
Using the command term identify, name the general term for an animal that is hunted and eaten by another animal.
Prey
Identify the law of motion that explains why passengers lurch forward when a car brakes suddenly.
Newton’s First Law (Law of Inertia)
Which specialized human cell transports oxygen, and what is the name of the oxygen-carrying protein it contains?
+100 Bonus: Provide the scientific name of this cell (including its distinctive feature).
+100 Bonus: State the chemical element that reversibly bonds with oxygen within that protein’s heme group.
Red Blood Cell (+100 points: Erythrocyte)
Hemoglobin (+100 points: iron [Fe])
This type of bond typically forms between a metal and a nonmetal
Ionic bond
This organ produces both insulin and glucagon. Using the command term identify, name the organ and state the body system to which it belongs.
+50 Extra Points: Insulin and glucagon have opposite effects on blood sugar. Which one lowers blood sugar?
Pancreas, and it belongs to the endocrine system
+50 Extra Points: Insulin
Identify the biological process by which organisms with heritable traits better suited to their environment tend to survive and reproduce, leading to changes in populations over time.
+50 Extra Points: Name the famous scientist who proposed the theory of evolution by natural selection
Adaptation
+ 50 POINTS: Charles Darwin
A cheetah runs 140 meters in 5 seconds. Calculate its speed in meters per second, and name the formula you used.
Formula: Speed = Distance ÷ Time
Math: 140 m ÷ 5 s = 28 m/s
These small, grain-like organelles floating in the cytoplasm or attached to the Rough Endoplasmic Reticulum (ER) are the cell's protein factories.
Ribosomes
This term describes an atom that has lost or gained electrons, giving it a charge.
is an ion
BONUS 100 POINTS
Using the command term identify, name the largest organ in the human body by surface area.
+200 Extra Points: Now name the heaviest internal organ in the human body (by mass).
The skin
+200 POINTS: The Liver
Outline the main types of symbiotic relationships in biology
1. Mutualism (+/+) 100 points
2. Commensalism (+/0) 100 points
3. Parasitism (+/-) 100 points
What is the force between an object and the surface it is moving over called?
Friction
BONUS 200 POINTS
Using the command term describe, explain how mutualism differs from parasitism.
+200 points if you provide one example for mutualism and another for parasitism
Mutualism is a symbiotic relationship where both species benefit, while parasitism is a symbiotic relationship where one species benefits (the parasite) and the other is harmed (the host)
+ 100 BONUS
The overall charge of an oxygen atom that gains 2 electrons
-2
DOUBLE POINTS
This IB Learner Profile attribute is demonstrated when a student questions the validity of a scientific claim, analyzes evidence before accepting a conclusion, and seeks out multiple perspectives on an issue.
+100 Bonus: What ATL skill means breaking down complex information into smaller parts to see how they relate
Inquirer
+100 Bonus: Analyzing, Critical Thinking
This term describes an organism that can produce its own food using sunlight or inorganic substances, forming the base of the food chain.
Autothroph, producer or primary producer
The direct change from a solid (ice) to a gas (water vapor) without becoming liquid.
Sublimation
DOUBLE POINTS!
Write the complete and accurate balance chemical formula for photosynthesis and cellular respiration
+200 Extra Points if you state the cellular organelle in where these two process occur
Photosynthesis: Chloroplast
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
Cellular Respiration: Mitochondria
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + (26-38) ATP
Using the command term define, what is the name of the continuous path that water follows as it moves through Earth's systems, changing between solid, liquid, and gas states
The water cycle or hydrologic cycle?
Using the command term list, name the ten attributes of the IB Learner Profile.
+100 Extra Points: Which two attributes specifically relate to how a student approaches unfamiliar situations and new ideas?
Inquirer, Knowledgeable, Thinker, Communicator, Principled, Open‑Minded, Caring, Risk‑Taker, Balanced, Reflective
+100 Extra Points: Inquierer and Risk-Taker