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Questions (142)
Which of the following is NOT true about matter in the biosphere?
a Matter is recycled in the biosphere. b The total amount of
1 answer
50 views
The greenhouse effect is the process through which is trapped near Earth's surface by substances known as 'greenhouse gases.'
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47 views
Dr Injectus treats an animal cell with a chemical that destroys the cell's mitochondria. As a result of his action, which of the
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64 views
Read the passage about plankton algae.
Plankton algae are microscopic algae that live in water. In a healthy pond ecosystem,
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123 views
A researcher is recording and monitoring data about a population of plankton-eating fish. When she analyzes the data, she notes
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A species of rabbit lives in a meadow where grass plants are readily available during summer months. The rabbits do not stray
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In this food chain, the spiders are —
a autotrophs b secondary consumers c primary consumers d producers
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43 views
Read the passage about polar bears.
Polar bears in the Arctic use the sea ice that covers the North Pole as a platform for
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79 views
Sarah has type A blood, and Jesse has type O blood. Their son has type B blood. Can Jesse be the baby daddy? He is a bit
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107 views
Based on the pyramid, which organism(s) provide the MOST available energy?
a insects and zooplankton b predator fish c birds and
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53 views
The graph shows the population growth of a colony of insects over time.
Which statement below best explains what might have
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Due to stress from intraspecific competition, large numbers of female lemmings miscarry their young and fail to reproduce.
This
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83 views
The graph below shows the growth of a fruit fly population.
Which statement best describes what is occurring with the fruit fly
1 answer
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Review the following statement and select the best response, below. Many fish suddenly die due to a drastic change in water
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Which of the following examples would most likely exhibit secondary succession?
a a new lava flow from the Cumbre Vieja volcano
1 answer
64 views
Photosynthesis uses water and carbon dioxide to convert sunlight energy into
a high energy triglycerides b oxygen and glucose
1 answer
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Photosynthesis uses water and carbon dioxide, powered by sunlight energy, to make _______.
Information On Growing Rubber Tree
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Scientists researching Pacific sea otters find that many members of the population are infected by a parasite, and a number of
1 answer
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The dodo bird inhabited the island of Mauritius in the Indian Ocean, where it lived undisturbed for years. It lost its ability
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What would most likely occur over time if the burning and clearing of tropical rainforests stopped?
a an increase in the amount
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57 views
The diagram traces the development of acid rain from factory pollutants.
Select all the following that can be deduced from the
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63 views
Mercury is a heavy metal found in industrial waste. When this waste is released into a water source, mercury is absorbed by fish
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65 views
The amount of energy needed for a reaction to occur is called?
a kinetic energy b activation energy c start up energy d potential
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A student sets up an investigation by placing a plastic bag over a plant. She secures the plastic bag so that it is completely
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44 views
Some fragile ecosystems, such as deserts, can only support a certain number of organisms. What is the term for this limit?
a
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Pollination is a classic example of which type of symbiosis?
a predator/prey b mutualism c commensalism d parasitism
1 answer
59 views
Scientists study a population of new insects in a forest ecosystem. They create a graph of the population data, shown.
When does
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62 views
A common trait found in orange tabby cats is the following: being awesome (A) is dominant to being average (a).
A male cat that
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56 views
Mrs. Wright's bees play a central role in the health of terrestrial ecosystems because they are vital to the pollination of
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61 views
All of the following are forms of density-independent population control EXCEPT
a flood destruction. b pollution. c habitat
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Select all the factors that can affect a population that is growing too large.
Choose more than 1. a disease b increased
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40 views
True or False - the squirrel population decreases due to increased health issues with the abundance of acorns
True False
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39 views
When the members of a population reproduce at a constant rate and overshoot the carrying capacity of their environment, it is
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60 views
Select ALL characteristics and information that CAN be obtained from a karyotype?
a number of autosomes b single gene inherited
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89 views
How are the movements of energy and chemicals (matter) through living things in ecosystems different?
a Chemicals flow in one
1 answer
62 views
Quilt squares are cut on the ground to form triangular quilt pieces. The hypotenuse of the resulting triangles is 34 inches
1 answer
42 views
Which of the following explains how textile manufacturing advances improved the cotton industry?(1 point) Responses The spinning
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66 views
What did James Watt do to the steam engine to start the Industrial Revolution?(1 point) Responses He improved the existing
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58 views
Which of the following explains how the steam engine and locomotive contributed to the Industrial Revolution?(1 point) Responses
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Which of the following explains how England’s large empire encouraged the start of the Industrial Revolution?(1 point)
1 answer
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Which sentence in the section about breeding should be removed to maintain the logical flow of ideas?
A. The female will lay
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This question has two parts. First, answer part A. Then, answer part B.
Part A: Which statement best describes the theme of
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54 views
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