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Quiet Ball. Spring Exam Review 7 th grade. What body system is the stomach a part of?. Digestive. What does it mean to digest food?. Break down food. What do the lungs do for you?. Take in Oxygen and remove Carbon Dioxide. What two systems determine the gender of an organism?.
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Quiet Ball Spring Exam Review 7th grade
What body system is the stomach a part of? • Digestive
What does it mean to digest food? • Break down food
What do the lungs do for you? • Take in Oxygen and remove Carbon Dioxide
What two systems determine the gender of an organism? • Reproductive • Endocrine – through hormones
What body system is the heart a part of and what is its function? • Cardiovascular / Circulatory • To pump blood (nutrients) through the body
What is the order of organization beginning with cells and ending with biosphere? • Cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.
A spider having the ability to spin a web is an example of what type of adaptation? • Physiological
Having rough horns to scrape moss off a tree for food is what type of adaptation? • Structural
What adaptations could keep a mammal warm in a cold environment?Name at least two • Thick fur • Hollow hair in the fur • Fat layers • Ability to shiver
How much of a parents genes are contributed to the offspring in asexual reproduction? • All of them
How much of a parents genes are contributed to the offspring in sexual reproduction? • Half of them
If two parents have recessive traits, what percent of their offspring will have the recessive trait? • All of them = 100%
Where are genes located? • Nucleus of a cell • On a chromosome • In the DNA
What is biodiversity? • Different forms of life in one area
What body system are your lungs a part of and what do they do? • Respiratory • Exchange oxygen for carbon dioxide
What causes blood to move through your body? • Beating Heart
Why do reptiles lay on a rock in the hot sun? • They are cold blooded and need to regulate their body temperature by their actions.
What is the process of maintaining an internal balance?(example: sweating, shivering, vomiting) • Homeostasis
What are the parts of your DNA that determine your traits? • genes
Your genes control the structure and function of which cells? • All of them in the organism
What dissection tool can remove tiny particles from a specimen? • tweezers
What is required to have “survival of the fittest” • Live long enough to reproduce
What if an organisms trait is not desirable and they can not find a mate. • Their trait will not be passed on to the next generation and will no longer exist.
Know the following? • How to read a dichotomous key to accurately identify an organism • Interpret graphs and tables to determine what makes an organism more fit.