Renewable energy sources are located throughout the United States because of unique aspects, such as topographical features and climate. For example, ____________ power is readily harvested in California's Mojave Desert, while ________________ power is prevalent in the Tennessee Valley (along the Tennessee River).
A. wind; geothermal
B. solar; hydroelectrical
C. geothermal; solar
D. hydroelectrical; wind
B. solar; hydroelectrical
Strawberry plants can reproduce both sexually and asexually. Strawberry farmers use both kinds of reproduction, depending on the desired outcome. In which of the following situations would a farmer most likely want the strawberry plants to reproduce sexually?
A. when developing new varieties of fruit
B. when making identical copies of a plant
C. when producing fruit that is all the same size
D. when growing many new plants from cuttings
A. when developing new varieties of fruit
_________________ in light occurs when the density of the medium in which light is travelling changes. When the volume of a gas increases, the density of the medium ________________, which impacts how light behaves.
A. Refraction; decrease
B. Reflection; increase
C. Refraction; increase
D. Reflection; decrease
A. Refraction; decrease
While traveling in South America in 1831, Charles Darwin observed many huge fossils of extinct animals and similar living animals that were much smaller. Which of the following would be Darwin's explanation for his observations?
A. The environment that these animals lived in changed, and traits for smaller body size were an advantage.
B. The environment that these animals lived in has never changed; all animals have been created independent of each other.
C. The giant fossil animals and the smaller living animals are not related to each other.
D. The giant fossil animals are the remains of the parents of the smaller living animals.
A. The environment that these animals lived in changed, and traits for smaller body size were an advantage.
What is a difference between mitosis and meiosis?
A. Mitosis occurs in all the cells in animals and plants, while meiosis occurs in only in bacteria.
B. In mitosis, the daughter cells are identical to the parent cell, while in meiosis they are different from the parent cell.
C. In mitosis, one cell divides into two cells, while in meiosis two cells combine to make one cell.
D. Mitosis involves separating the chromosomes, while meiosis involves only the cytoplasm of the cell.
B. In mitosis, the daughter cells are identical to the parent cell, while in meiosis they are different from the parent cell.
Parts of a Longitudinal Wave
Wavelength, Compression, Rarefaction
Which landform results when one of the Earth's plates slide past another?
A. fault
B. plateau
C. mountain
D. delta
A. fault
The image above shows a model of convection currents. What will occur in the experiment? [ Select THREE choices ]
A. Cold water will sink.
B. The ice cube will slowly melt.
C. The drop of food color will shift right and down.
D. Water temperatures will stay the same. E. Water in the middle will warm and rise.
A, B, E
Which of the following is a genetic factor that influences the growth of organisms?
A. carrying capacity of the ecosystem
B. a dominate allele
C. availability of food
D. population density
B. a dominate allele
How does the speed of sound waves change when they move from a gas to a liquid?
They sped up
Which technology used to predict natural hazards provides the greatest warning time before the hazard occurs?
A. computer modeling systems for hurricanes
B. water level and rainfall gauges for floods
C. seismographs for earthquakes
D. Doppler radar for tornadoes
A. computer modeling systems for hurricanes
Humans inherit only 46 chromosomes but show thousands of different genetic traits. Which of the following best explains how humans can show thousands of traits?
A. Every cell in a human contains a copy of all the chromosomes.
B. The body duplicates chromosomes each time it needs to express a trait.
C. Each chromosome has hundreds to thousands of genes that store information for specific traits.
D. The body produces thousands of new cells with different combinations of chromosomes as a human grows.
C. Each chromosome has hundreds to thousands of genes that store information for specific traits.
An echo is the result of a _____________.
A. reflected sound wave
B. dispersed sound wave
C. refracted sound wave
D. diffracted sound wave
A. reflected sound wave
Gregor Mendel, hailed as the Father of Modern Genetics, did his research using pea plants. When he studied the inheritance of flower color in pea plants, he discovered that purple flowers were dominant over white flowers. Given this information, which of the following would represent the genotype of a heterozygous pea plant?
A. white
B. purple
C. PP
D. Pp
D. Pp
Scientists have observed an increase in global temperatures over the past 100 years. Which phenomenon do scientists believe contributes to the increase in temperatures?
A. an increase in undersea volcanic activity
B. a decrease in the distance between Earth and the Sun
C. an increase in certain gases released during the use of fossil fuels.
D. a decrease in the amount of water on Earth due to overconsumption
C. an increase in certain gases released during the use of fossil fuels.
Based on the distribution of the genetic material, what can likely be concluded about the offspring resulting from sexual reproduction?
A. The offspring develops its own genetic material during development.
B. The offspring has different genetic material as it receives one set of chromosomes from each parent.
C. The offspring develops characteristics during its lifespan, as characteristics depend completely on the surrounding environment.
D. The offspring receives the chromosomes from one of the parents, which makes its characteristics the same as those of one of the parents.
B. The offspring has different genetic material as it receives one set of chromosomes from each parent.
Parts of a transverse wave
Wavelength, Amplitude, Crest, and Trough
The image shows the natural hazard potential map for Australia. Four locations, P, Q, R, and S, are marked on the map. Based on the map, which region would have major impacts on society during natural disaster events?
A. location P
B. location Q
C. location R
D. location S
C. location R
What are the 3 Laws that were discovered by Gregor Mendel while working with pea plants?
1) Law of Dominance
2) Law of Segregation
3) Law of Independent Assortment
__________ is the behavior that ensues when a wave encounters an obstacle or must pass through an opening.
A. transmission
B. absorption
C. reflection
D. diffraction
D. diffraction
Eons, Eras, Periods, Epochs
According to the US Department of Agriculture, which of the following is not a major factor in the formation of soils?
A. climate
B. organisms/biological factors
C. evolutionary adaptations
D. topography
C. evolutionary adaptations
Which argument about fish survival is best supported by the evidence shown in the graph?
A. The blacktail shiner can survive any oxygen level in its environment.
B. The blackstripe topminnow can survive any oxygen level in its environment.
C. The blackstripe topminnow is better able to survive a wide range of oxygen levels in its environment the blacktail shiner.
D. The blacktail shiner is better able to survive a wide range of oxygen levels in its environment than t blackstripe topminnow.
C. The blackstripe topminnow is better able to survive a wide range of oxygen levels in its environment the blacktail shiner.
Unlike sound waves, light waves are (mechanical/ electromagnetic), which is why they can travel (through empty spaces/ only through matter).
electromagnetic , through empty spaces
Which of the following are examples of how a person can reduce the use of a nonrenewable resources? [Select two that apply]
A. drive a sports utility vehicle to work instead of using public transportation
B. replace old or burned out light bulbs with LED bulbs C. ensure all waste products end up in a landfill and not on the side of the road
D. better insulate their home to lower the amount of energy used to cool or heat the home
E. when eating out at a restaurant, ask to use paper products to save water when washing dishes
B, D
Which of the following is not an advantage of asexual reproduction?
A. requires only one parent
B. genetic variation among offspring
C. less time and energy
D. process of reproduction is rapid
B. genetic variation among offspring
Sound waves are a form of ___________ that is produced by vibrating particles. Further, sound wave requires a ________ for its propagation.
A. matter; vacuum
B. energy; vacuum
C. matter; medium
D. energy; medium
D. energy; medium
What device uses radio-wave technology to determine the location of an object?
A. cell phone
B. television
C. radar
D. radio
C. radar
The Appalachian Mountains in the United States and the Caledonian Mountains in northern Europe share similar ages and rock formations. What does this evidence suggest about the geologic history of the two mountain ranges?
A. The mountain ranges were shaped by the same glacial movement.
B. Both mountain ranges formed simultaneously from separate volcanic eruptions.
C. The climate and weather conditions of the regions have remained identical over millions of years.
D. The two mountain ranges were once connected and part of a larger landmass that later split apart.
D. The two mountain ranges were once connected and part of a larger landmass that later split apart.
Which of the following best describes the purpose of the chromosomes in the nucleus of a cell?
A. to store the genetic instructions needed to specify traits
B. to release energy by breaking down food molecules
C. to transport nutrients into and out of the cell
D. to protect the cell from microorganisms
A. to store the genetic instructions needed to specify traits
When light waves move from a gas to a liquid, what happens to its speed?
They slow down
Material within the Earth is heated by the core resulting in the materials becoming ________. This change in density results in the material ________ until it reaches the lithosphere, where it begins to cool.
A. more dense; sinking
B. less dense: rising
C. less dense; sinking
D. more dense, rising
B. less dense: rising
Based on the diagram of yeast budding, what will be the characteristics of the offspring produced by the budding process?
A. It will be larger than the parent cell.
B. It will be genetically identical to the parent cell.
C. It will have a constant size throughout its lifespan.
D. It will have less genetic material than the parent cell.
B. It will be genetically identical to the parent cell.
Electromagnetic energy travels in waves along a broad spectrum measured through the electromagnetic spectrum. This spectrum is used to describe the entire range of light that exists, including those the human eye cannot see. What property of waves does the electromagnetic spectrum measure?
A. speed
B. amplitude
C. frequency
D. wavelength
D. wavelength
Which of the following is a benefit of meiosis?
A. Offspring can be produced very quickly.
B. Offspring are identical and the likelihood of mutations is reduced.
C. Offspring have genetic diversity from their parents.
D. Offspring can be created from one parent
C. Offspring have genetic diversity from their parents.