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BIOLOGY
HIGH SCHOOL
A characteristic of acids is that they react with metals to:form non-metalsrelease waterrelease hydrogen gasproduce bases
BIOLOGY
HIGH SCHOOL
Biotechnology is used in a variety of areas from agriculture to pharmaceuticals to fuels.How is the use of biotechnology in agriculture beneficial to the environment?Genetically altered crops are unable to reproduce.Genetically altered crops produce less carbon dioxide.Genetically altered crops require less pesticide.Genetically altered crops are more delicious.
BIOLOGY
HIGH SCHOOL
What distinguishes surface and body seismic waves?
BIOLOGY
HIGH SCHOOL
Sustainability means developing practices which protect the environment while also providing for human needs. Which of the following changes would be most helpful in achieving sustainable agriculture?Clearing land for agriculture by cutting down trees instead of burning themRotating crops to replenish the soil with nutrientsTilling the ground to remove weeds and create uniform cropsGrowing crops that produce only renewable resources
BIOLOGY
HIGH SCHOOL
After chromosomes are formed, during which phase of mitosis do the chromosomes attach to the spindle fibers by their centromeres? 1. anaphase2. prophase3. metaphase4. telophase
BIOLOGY
HIGH SCHOOL
Why have improvements in microscopes over time resulted in revisions in the cell theory? They have revealed new information about cell structure and processes. They have made microscopes easier to use. They have allowed scientists to share pictures of the cells being studied. They have made it possible to confirm what scientists already suspected.
BIOLOGY
MIDDLE SCHOOL
The process of deposition would make a river change in which way? A.dirtier waterB.straighterC.widerD.more curves
BIOLOGY
HIGH SCHOOL
Sexual reproduction amongst protozoa is done by _____.
BIOLOGY
HIGH SCHOOL
Zygomycota produce _____, which germinate into new hyphae.
BIOLOGY
HIGH SCHOOL
Oogamy always involves fertilization from gametes of different sizes.a. Trueb. False
BIOLOGY
HIGH SCHOOL
All forms of life on earth are linked together in relationships involving _____. A.waterB.foodC.the environmentD.energy
BIOLOGY
HIGH SCHOOL
AIDs and the bubonic plague are examples of a _____.countermigration streammigration streampandemicparish
BIOLOGY
HIGH SCHOOL
Potatoes are specialized stems that store food for potato plants. Which main tissue would you expect to primarily make up a potato?
BIOLOGY
HIGH SCHOOL
Freshwater protists with two flagella that can be photosynthetic or heterotrophic are calledA. amoebas. B. ciliates. C. dinoflagellates. D. euglenoids.
BIOLOGY
HIGH SCHOOL
Sexual reproduction amongst protozoa is done by _____.internal fertilizationrelease of sporesconjugation of two mature cells
BIOLOGY
HIGH SCHOOL
What is the ultimate goal/purpose of mitosis ? What term do we use to describe the new cells ?
BIOLOGY
HIGH SCHOOL
A plant with the genotype TT is called _____. homozygousheterozygoushybrid
BIOLOGY
HIGH SCHOOL
Which form of cell transport allows small molecules to move from an area of higher concentration to an area of lower concentration without energy being required from the cell?a. osmosisb. pinocytosisc. phagocytosisd. simple diffusion
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