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Questions (409)

Which is an example of a print source?(1 point)Responses a website an e-book a video a magazine
1. 1 answer
2. 332 views
A scientist is analyzing one bird population. There is a large amount of variation in size in the population. There are also
1. 1 answer
2. 156 views
Living things with traits that are a good fit to their environment (1 point)Responses are more likely to survive and reproduce.
1. 1 answer
2. 318 views
If members of a population have a variety of traits, it is(1 point)Responses less likely that some of the members will have
1. 1 answer
2. 500 views
What relationships exist among reasoning, evidence, and explanation?(1 point)Responses Evidence is used to connect the
1. 1 answer
2. 279 views
Which term describes a program that uses key words to search for and identify related information?(1 point)Responses term
1. 1 answer
2. 299 views
Which option describes key words that are used to conduct online research?(1 point)Responses accurate words search terms search
1. 4 answers
2. 478 views
Which option describes key words that are used to conduct online research?(1 point)Responses effective terms search engines
1. 17 answers
2. 919 views
Which option describes a research question?(1 point)Responses a question that identifies a topic that you want to learn more
1. 1 answer
2. 276 views
Why are the gene pools of small populations reduced compared to those of larger populations? (1 point)Responses inbreeding lack
1. 1 answer
2. 174 views
Which statement is correct about a bottleneck event? (1 point)Responses A bottleneck event increases the population of a species
1. 1 answer
2. 304 views
In an ecosystem, the average temperature increases, causing a shorter winter. There are two varieties of rabbits in this area,
1. 1 answer
2. 161 views
In an ecosystem where most flowers are long and bell-shaped, there are two varieties of hummingbird: birds with short beaks and
1. 1 answer
2. 125 views
In an ecosystem where most flowers are long and bell-shaped, there are two varieties of hummingbird: birds with short beaks and
1. 1 answer
2. 185 views
In an ecosystem where most flowers are long and bell-shaped, there are two varieties of hummingbird: birds with short beaks and
1. 1 answer
2. 132 views
How would reducing low-growing plants from an area impact a population of tortoises with two varieties of neck extension
1. 1 answer
2. 274 views
How have the historic levels of melanin in human populations changed due to migration? (1 point)Responses Humans that produced
1. 1 answer
2. 144 views
What evolves during natural selection?(1 point)Responses the proportion of different traits in a population the phenotypes of
1. 11 answers
2. 169 views
There are variations in the fur color of mice. Some mice have white fur. Some have dark fur. Foxes more easily catch mice with
1. 1 answer
2. 331 views
Which mutation scenario will always lead to natural selection?(1 point)Responses a mutation causes a specific advantage within
1. 1 answer
2. 179 views
Which statement is accurate about natural selection?(1 point)Responses Natural selection cannot inactivate genes. Natural
1. 3 answers
2. 1,328 views
Natural selection causes changes in(1 point)Responses genotypes. phenotypes. individuals. populations.
1. 1 answer
2. 103 views
What evolves during natural selection?(1 point)Responses inactivated genes the proportion of different traits in a population
1. 1 answer
2. 142 views
There are variations in the fur color of mice. Some mice have white fur. Some have dark fur. Foxes more easily catch mice with
1. 3 answers
2. 370 views
Which mutation scenario will always lead to natural selection?(1 point)Responses a mutation causes a specific advantage within
1. 1 answer
2. 180 views
Which statement is accurate about natural selection?(1 point)Responses Natural selection cannot occur through mutations. Natural
1. 1 answer
2. 1,087 views
Natural selection causes changes in(1 point)Responses individuals. genotypes. phenotypes. populations.
1. 1 answer
2. 89 views
In three to five sentences, explain the importance of sentence structures in good writing.(4 points)
1. 1 answer
2. 213 views
To reach her goal of buying a new bike, Marsha will need to save $10 each week.To reach her goal of buying a new bike each week,
1. 2 answers
2. 167 views
In one to two sentences, explain how using a variety of sentence types improves a story. (2 points)
1. 2 answers
2. 160 views
In four to five sentences, summarize an important day in your life. Use at least one simple sentence, one compound sentence, one
1. 1 answer
2. 295 views
Erika helped the elderly woman with her shopping basket which was overflowing with vegetables.Which revision of this sentence
1. 1 answer
2. 135 views
In which sentence is the modifying phrase placed incorrectly?(1 point)Responses Before she leaves for school, Ana needs to wash
1. 1 answer
2. 237 views
Maverick needed to go to the store. His dog wanted to go with him.Which option best combines the two simple sentences into one
1. 1 answer
2. 150 views
I love going to the fair during the summer.Which relationship exists between the clauses? (1 point) Responses a relationship
1. 1 answer
2. 171 views
Which sentence shows a relationship between two independent clauses?(1 point)Responses I wish I had more ice cream. He wants to
1. 1 answer
2. 143 views
The store ran out of paper quickly because supplies were limited.Which part of the sentence is a dependent clause? (1 point)
1. 1 answer
2. 196 views
I never miss Art Club meetings because I love to draw.Which part of the sentence is an independent clause? (1 point) Responses I
1. 1 answer
2. 184 views
When Shawn arrives at work, he hangs his jacket on his chair.Which grammatical element do the bold words represent? (1 point)
1. 3 answers
2. 340 views
Over time, the variation that gives an advantage(1 point)Responses can limit the number of selective pressures. can limit the
1. 1 answer
2. 336 views
What relationship exists between changes in the environment and variations?(1 point)Responses Changes in the environment can
1. 1 answer
2. 316 views
In an aquatic bird population, some birds have long legs. Other birds have short legs. The food supply is minimal. The birds
1. 1 answer
2. 297 views
You are a scientist observing rodents on the Galapagos Islands. You notice that the introduction of new bird of prey has limited
1. 1 answer
2. 245 views
Which pattern is evidence that reptiles and amphibians share the same ancestor? (1 point)Responses They have similar skin. They
1. 13 answers
2. 237 views
Which evidence supports the theory that fish and mammals evolved from the same ancestor? (1 point)Responses They both produce
1. 1 answer
2. 230 views
Fish, amphibians, reptiles, birds, and mammals have similar embryos.They all start with gill slits. Fish and some amphibians
1. 1 answer
2. 350 views
Listed below are characteristics that serve as evidence of shared ancestry between fish and reptiles. Select the option that
1. 1 answer
2. 300 views
Which pattern emerged in horse evolution as scientists studied early horse fossils and modern horse bones?(1 point)Responses The
1. 1 answer
2. 344 views
Archaeopteryx is considered to be a transitional form between dinosaurs and birds. Which of the following is a trait that is
1. 1 answer
2. 193 views
Humans, mice, and giraffes have seven vertebrae in their necks. What can scientists conclude from this observation?(1 point)
1. 1 answer
2. 172 views
Compared to rodents, rabbits have an extra pair of incisors and other skeletal structures that are different. They also have
1. 1 answer
2. 350 views
What does the fossil record tell us about the evolution of the hominin skull?(1 point)Responses The part of the skull
1. 2 answers
2. 327 views
Which group includes only bipedal animals?(1 point)Responses hominids primates lesser apes hominins
1. 1 answer
2. 156 views
A scientist discovers a fossil of a new organism and places it in the fossil record. The fossil shows the organism had similar
1. 1 answer
2. 338 views
A common ancestor is an organism that is the(1 point)Responses indirect ancestor of one organism. direct ancestor of one
1. 1 answer
2. 235 views
Fossils and genes are used to determine(1 point)Responses how many mutations occurred in a species over time. how species
1. 1 answer
2. 273 views
Which term describes a group of words containing a subject and its verb?(1 point)Responses a clause a subject a phrase a
1. 1 answer
2. 243 views
Which element plays a supporting role in a sentence?(1 point)Responses a relative pronoun an independent clause a complete
1. 1 answer
2. 252 views
Which characteristic describes an independent clause?(1 point)Responses It expresses an incomplete thought. It expresses a
1. 1 answer
2. 176 views
Which term describes a group of words without a subject or a verb that cannot stand alone as a sentence?(1 point)Responses
1. 1 answer
2. 198 views
What is a modifier?(1 point)Responses a word that replaces a noun a complete sentence a word or phrase that provides description
1. 1 answer
2. 204 views
Snuff is a type ofA. cigarette. B. smokeless tobacco product. C. cigar. D. flavored pipe tobacco.
1. 1 answer
2. 171 views
Anti-smoking ads are an example ofA. the influence of friends. B. the influence of family. C. the influence of media. D. the
1. 1 answer
2. 164 views
Since 1964, the number of cigarettes smoked hasA. increased dramatically. B. decreased to near zero. C. remained steady. D.
1. 1 answer
2. 212 views
____________ is a substance in tobacco smoke that reduces the blood’s ability to carry oxygen.A. Tar B. Nicotine C. Asthma D.
1. 1 answer
2. 118 views
______ is a substance in tobacco products that causes stained teeth and skin.A. Nicotine B. Carbon monoxide C. Tar D. Menthol
1. 2 answers
2. 264 views
The exchange of carbon dioxide and oxygen takes place in theA. alveoli. B. asthma. C. bronchi. D. diaphragm.
1. 1 answer
2. 130 views
The dome-shaped muscle that lies below the lungs and is important in the breathing process is theA. alveoli. B. asthma. C.
1. 1 answer
2. 200 views
The functions of the respiratory system are (Select all that apply)A. to pump blood to the body. B. to deliver oxygen to the
1. 1 answer
2. 216 views
How does nicotine affect the body?A. makes one feel sleepy B. slows breathing rate C. increases heart rate D. lowers blood
1. 1 answer
2. 149 views
A person who hasn’t smoked for two hours and is irritable is showing symptoms of (Select all that apply)A. respiration. B.
1. 2 answers
2. 508 views
The addictive chemical found in all tobacco products isA. tar. B. nicotine. C. carbon monoxide. D. insulin.
1. 1 answer
2. 220 views
Use the sentence to answer the question.Marie studied all day on Sunday, and she passed her mathematics test. Which sentence
1. 1 answer
2. 398 views
Which sentence structure would you use if you wanted to tell about a meal you ate and provide a description of the meal's
1. 1 answer
2. 225 views
Which sentence structure should be used to emphasize a single idea?(1 point)Responses compound compound-complex complex simple
1. 1 answer
2. 255 views
Which option describes a clause?(1 point)Responses the structure of a sentence a group of words that are similar in meaning a
1. 1 answer
2. 334 views
Some students are trying to convince their parents to let them raise backyard chickens. They want to present a logical argument
1. 1 answer
2. 292 views
Beavers, large members of the rodent family in North America, are often referred to as “ecosystem/keystone engineers” by
1. 3 answers
2. 294 views
What is a similarity between a fish embryo and a human embryo in the late stages of development? (1 point)Responses They both
1. 1 answer
2. 243 views
Which is a similarity between a fish embryo and a bird embryo in the early stages of development? (1 point)Responses jaw bones
1. 1 answer
2. 195 views
Vertebrate embryos(1 point)Responses go through the same developmental stages at the same rate. develop the same structures at
1. 1 answer
2. 183 views
Which structure is unique to vertebrates? (1 point)Responses brain skin backbone limbs
1. 2 answers
2. 246 views
What is a homologous structure that humans share with other vertebrates when they are fully grown?(1 point)Responses spine tail
1. 1 answer
2. 192 views
Fish, amphibians, reptiles, birds, and mammals have similar embryos.They all start with gill slits. Fish and some amphibians
1. 1 answer
2. 226 views
Which animal is a vertebrate?(1 point)Responses shrimp crab octopus fish
1. 1 answer
2. 159 views
Humans have a lot of homologous structures in common with other animals, and several of these structures are no longer in
1. 1 answer
2. 253 views
Which statement best describes why modern horses look the way they do?(1 point)Responses Aspects of horse anatomy evolved over
1. 1 answer
2. 214 views
You and your friend inspect a group of fossils from different organisms with various features. Your friend is convinced that all
1. 1 answer
2. 194 views
Tiktaalik was a prehistoric fish that was an ancestor to modern tetrapods. It shared anatomical features with tetrapods (e.g.,
1. 1 answer
2. 240 views
Which of the following is an example of a vestigial organ that could be found in a transitional fossil?(1 point)Responses a tail
1. 1 answer
2. 177 views
There are 13 species of Darwin’s finches on the Galapagos Islands. They have many similar features but differ in beak size and
1. 3 answers
2. 221 views
Pythons have small leg bones buried in their tail muscles. What can scientists conclude from this observation?(1 point)
1. 1 answer
2. 177 views
Which example demonstrates divergence?(1 point)Responses Species A goes extinct. Species A does not evolve. Species A evolves
1. 1 answer
2. 203 views
What do scientists think about the common ancestor of whales and hippos?(1 point)Responses The animal is still alive today. The
1. 1 answer
2. 258 views
Plants Unit Test12 of 1212 of 12 Items Question Use the image of the rose plant to complete the activity. An illustration shows
1. 1 answer
2. 391 views
In one to two sentences, identify the purpose of the roots in a plant and how a disease that harms the roots of a flowering
1. 1 answer
2. 346 views
The cells in vascular and nonvascular plants are both able to get water, but nonvascular plants have different methods than
1. 3 answers
2. 262 views
The taiga biome has long, cold, dry winters and cool, wet summers. In three to four sentences, describe how the plants and
1. 2 answers
2. 281 views
I wanted to buy the movie, but I was a dollar short.Which type of relationship does the conjunction but signal in the sentence?
1. 1 answer
2. 264 views
Gianni forgot to set a timer, so he overcooked his dinner.The conjunction so connects two independent clauses. What type of
1. 1 answer
2. 370 views