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Science Exam StudyGuide Questions
Terms in this set (53)
Is a garden an example of an ecosystem?
renewable resources are replenished by natural resources as quickly as they are used;
nonrenewable are not
Explain the difference between renewable and nonrenewable resources.
oxygen, sunlight, food
List renewable resources
coal, fossil fuels, natural gases
List some nonrenewable resources
What is an interaction between two organisms that both benefits called?
What is an interaction between two organisms where only one benefits while the other is harmed?
the population per unit of area
Explain population density
Reuse, recycle, restore, rethink, reduce
What are the 5Rs
Draw an energy pyramid which part contains the largest # of individuals
Our proteins are made of nitrogen. Nitrogen fixing bacteria in soil allow plants to absorb nitrogen
Why is nitrogen cycle important to us?
List a producer
List a carnviore
list a detrivore
Abiotic-non-living factors- rain fall, soil, temperature
Biotic- living factors & waste remains and decaying remains
Explain the difference between abiotic and biotic factors
turning off lights when leave room
Give an example of reducing
pick up trash around the lake
Give an example of restoring
How is the population affected if individuals die or move away
the final stage of ecological succession in a land ecosystem. It is stable
Explain what a climax community is
cold, treeless, permafrost layer so only lichens and mosses, 50 -60 growing days only
Describe the Tundra
Short summer, cold most of time, only found in Northern Hemisphere, cone bearing trees
Describe the Taiga
Dry, many nocturnal animals, plants have special adaptations due to heat and lack of rain, cold at night
Describe the Desert
Nickname- Breadbasket Area, we grow our crops, trees on banks of rivers and streams
Describe the Grasslands
Wet and hot year round, near the equator, contains over 50% of our organisms
Describe the Tropical Rain Forest
Moderate , has seasons
Describe the Temperate Rain Forest
Moderate, has seasons, tees loose leaves, rich good soil
Describe the Temperate Deciduous Forest
Grasslands and temperate deciduous forest
Which biomes have rich fertile soil?
Process of freshwater ecosystem changes in land ecosystem
Explain aquatic succesion
areas that undergo ecological succession- with little to no soil
What is primary succession? Where is it most likely to occur?
lake or pond
List 2 fresh water ecosystems
rivers and stream
List 2 ecosystems that have flowing water
Sunlit zone- only zone gets enough sunlight to support photosynthesis twilight zone, Dark zone- no sunlight at all
List the layers of the ocean with details
Emergent, canopy, forest floor
List layers of the rainforest with details
What are the building blocks of all living organisms?
Organic- contains carbon-hydrogen bonds
What is the difference between organic and inorganic compounds?
Cells- tissues-organs- organ systems
Write the sequence of the body's organizations from the most basic to most complex
heart, lungs, liver
List some organs found in the body
Which organ absorbs the nutrients in our body?
Water, carbon dioxide, and ATP
What are the products of cellular respiration?
Which body system produces hormones?
Expanding and contracting the chest cavity during
How does the muscular system play a role in breathing?
Lines internal organs and causes contractions
How does the muscular system play a role in digestion?
Stimuli not processed by brain
How are reflexes so fast?
Carbohydrates, lipids, proteins, and nucleic acids
List the 4 macromolecules found in the body
What is a dominate trait?
Trait masked if dominate trait is present
What is a recessive trait?
Permanent changes in DNA
What are mutations?
Which human trait is affected by polygenetic inheritance?
Human blood type
What trait in humans has multiple alleles?
What shows the family history of genetic traits?
Cross Pp and Pp in a punnett square
Is eye color in fruit flies a sex-linked trait?
Is the father of genetics. Studied 7 traits, flower color, flower position, stem length, seed shape, seed color, pod color, and pod shape. Famous experiment used a pea-plant. Discovered dominant and recessive traits. That work was not accepted at the time
Explain what Gregor Mendel did?
Give an example from the book of incomplete dominance
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