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Semester Exam Review. Let’s get ready for TRASH- ketball !. Levels of Organization. Put these in order from simple to complex Tissues Organs Cells Organisms Organ Systems. Levels of Organization. Answer: 1.Cells 2.Tissues 3.Organs 4.Organ Systems 5.Organism.
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Semester Exam Review Let’s get ready for TRASH-ketball!
Levels of Organization • Put these in order from simple to complex • Tissues • Organs • Cells • Organisms • Organ Systems
Levels of Organization • Answer: 1.Cells 2.Tissues 3.Organs 4.Organ Systems 5.Organism
Selective Breeding • Dog breeders choose to breed dogs with desirable traits. • Which of the following would be a desirable trait that a breeder might try to duplicate: mean-ness Stinky-ness obedience nervousness
Selective Breeding • Answer: Obedience
Cells • Where would you expect to find a chromosome?
Cells • Answer: In the nucleus
Cells • Cells are the smallest living unit, therefore, nothing smaller than a cell can be considered a “living unit”. • True or False
Cells • Answer: True Nothing smaller than a cell is considered a living unit.
Adaptations • When an animal, like a bear, goes to “sleep” for the winter, or other animals become inactive from the heat or other environmental conditions… What do you call this inactive state?
Adaptations • Answer: Hibernation (Can happen in the summer or winter)
Body Systems • Which two body systems move oxygen around the body?
Body SystemsAnswer: Respiratory Circulatory -moves oxygen around the body -moves oxygen into the body
Body Systems • What would you call a group of organs, or body parts, working together to perform a specific function?
Body Systems • Answer An Organ System
Body Systems • Where does the process of digestion first begin?
Body Systems • Answer: In the mouth
Body Systems • Chemical digestion of food occurs first in what two organs?
Body Systems • Answer: In the mouth and stomach. (but other organs like the pancreas also contribute enzymes)
Body Systems: • Which organ is responsible for chemical digestion and nutrient absorption?
Body Systems • Answer: The Small Intestine
Body Systems • What is the main job of the large intestine?
Body Systems • Answer: Absorption of water
Body Systems • What is the main job of the digestive system?
Body Systems • Answer: Breaking down large molecules into smaller ones that our body can use.
Plant Reproduction • Exchanging pollen grains between two rose bushes of different colors would be an example of What type of reproduction?
Plant Reproduction • Answer: Sexual Reproduction
Homeostasis • Many of us have experienced illness. When you are said to have a “fever” your body has an elevated temperature. • What is the #1 benefit of running a “fever?”
Homeostasis • Answer: Slows the growth of the infection
Genetics • What is the smallest unit of genetic material?
Genetics • Answer: DNA is the smallest unit
Energy Transfer • What kind of energy do we get from food?
Energy Transfer • Answer: Chemical energy
Energy Transfer • What do we call heat energy?
Energy Transfer • Answer: Thermal energy Example: Food Heat = Chemical Thermal
Homeostasis • What is the benefit of sweating?
Homeostasis • Answer: It cools the body. Otherwise, our bodies would overheat.
Digestion • Carbohydrates break down into what simple sugar?
Digestion • Answer: Glucose
Levels of Organization • All living things are made of what?
Levels of Organization • Answer: All living things are made of cells.