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Evolution
$200The mechanism by which individuals better adapted to their environment tend to survive and produce more offspring.
$400Structures in different species that share a common ancestral origin even if they perform different functions.
$600The English naturalist who published On the Origin of Species in 1859.
$800A sudden change in the genetic makeup of a population due to random chance, often seen in small groups.
$1000The evolutionary process where two unrelated species develop similar traits due to environmental pressures.
Botany
$200The primary pigment involved in photosynthesis, found within chloroplasts.
$400The process by which plants release water vapor through their stomata.
$600The tissue in vascular plants responsible for transporting water and dissolved minerals from roots to shoots.
$800A type of plant that completes its life cycle in two years.
$1000The protective waxy layer covering the epidermis of leaves and stems to prevent water loss.
Human Anatomy
$200The organ responsible for pumping blood throughout the circulatory system.
$400The longest and strongest bone in the human body, located in the thigh.
$600These cells are responsible for carrying oxygen throughout the bloodstream.
$800The largest internal organ in the human body, involved in detoxification and bile production.
$1000The tiny air sacs in the lungs where gas exchange occurs.
Cellular Components
$200The powerhouse of the cell, where ATP is generated through aerobic respiration.
$400The central organelle that contains the cell's genetic material.
$600A network of membrane-bound tubules involved in protein and lipid synthesis.
$800These organelles contain digestive enzymes to break down waste materials.
$1000The organelle that modifies, sorts, and packages proteins for secretion.
Genetics
$200The basic physical and functional unit of heredity made up of DNA sequences.
$400The building blocks of DNA, consisting of a sugar, a phosphate group, and a nitrogenous base.
$600The observable physical characteristics of an organism resulting from its genotype.
$800The Austrian monk who discovered the principles of inheritance through pea plants.
$1000A permanent alteration in the DNA sequence that makes up a gene.
Microbiology
$200A unicellular organism that lacks a membrane-bound nucleus.
$400The process by which bacteria reproduce by splitting into two identical daughter cells.
$600An infectious agent that consists of genetic material enclosed in a protein coat.
$800A kingdom of organisms that includes mushrooms, molds, and yeasts.
$1000A rod-shaped bacterium.