5 Written Questions
5 Matching Questions
- homologous trait
- learned behavior
- a Part of the brain responsible for temperature regulation, controlling hunger and thirst, and managing water balance. It also helps generate emotion.
- b A trait found in different species that are morphologically and functionally similar and that comes from the same ancestral condition. A whale's fin and a human's arm are homologous structures.
- c Vascular tissue composed of cells that are living at maturity; transports the products of photosynthesis throughout the plant body.
- d Behavior that an organism picks up over the course of its life. Three types of learned behavior are habituation, conditioning, and associative learning.
- e The center of the central nervous system. The brain coordinates the processes of the body. It is composed of various distinct regions, all of which have different functions, including the cerebrum, cerebellum, medulla oblongata, and hypothalamus.
5 Multiple Choice Questions
- Protein filaments that, along with myosin, allow muscles to contract.
- An emulsifier of fats secreted by the liver and stored in the gallbladder for release in the small intestine.
- A vascular nonflowering plant (commonly known as a conifer) in which seeds are "naked"—collected in a cone and not protected by an ovary. The dispersion of their spermatozoids often relies on wind.
- Antonie van,Dutch clothing salesman (1632-1723) who made the first observations of bacteria and protozoa using single-lens microscopes of his own design.
- See warm-blooded.
5 True/False Questions
interphase → The phase of the eukaryotic cell cycle in which the cell prepares for division, primarily by replicating its DNA. After interphase, the cell enters mitosis.
Lamarckism → An evolutionary theory (proved false by Darwin) stating that species change over time by the use and disuse of structures and the inheritance of acquired traits.
xylem → Vascular tissue composed of cells that are dead at maturity; transports water and dissolved minerals upward from the roots to the shoot.
pyruvate → The three-carbon end product of glycolysis. Pyruvate is the raw material of the Krebs cycle.
sepal → Green, leaflike structure that encloses and protects the unopened flower bud.