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Cristina Raymond
Human activity has led to clear cutting of the world's rainforests. Which is the best explanation of why this change has been detrimental? A) Cutting down the rainforest disrupts some trading routes. B) Cutting down the rainforest has created more land on which to grow food. C) Cutting down the rainforest makes the areas less desirable for tourists. D) Cutting down the rainforest destroys the habitat for a number of species
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Kevin
Which statement is true about fossils? A) There are more fossils in warm, wet tropical areas. B) No fossils resemble organisms that are presently alive. C) The oldest fossils are found in layers closest to the surface. D) The complexity of the organisms in fossil beds increases closer to the surface.
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Wyatt Sutton
What are some pros and cons of using bacteria to clean up oil spills
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Hayden Castro
The largest region of the brain that governs all higher functions (memory, reasoning, and some aspects of personality) consists of two hemispheres connected by the corpus callosum is called:
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Guest
What does the geologic time scale confirm about the Cretaceous period?

A. It ended during the Cenozoic era.

B. It ended during the Mesozoic era.

C. It started before Precambrian time.

D. It started before the Cambrian period.
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Marley Mullen
A strand of DNA contains the sequence GGC-CAT. What is the complementary strand for mRNA for this sequence?
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Sarahi Meyers
The land and water ecosystems that provide the resources that a person uses and that neutralize that person's wastes is part of that person's

A. biodiversity.

B. ecological footprint.

C. habitat.

D. ecological sustainability.
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Lilian Burton
Which two components are raw materials used in cellular respiration
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Adelaide Schmitt
What is another natural process that could contribute to the evolution of a species' genomes? How would this process affect evolution?
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Gavyn Avery
A plant that reproduces sexually has flowers that contain both male pollen and a female ovary. The plant cross-pollinates and forms a fleshy fruit around its seeds. Which of the following is the most logical conclusion about the classification of this plant?

Coniferophyta

Anthophyta

Cycadophyta

Gnetophyta
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Zoey Haynes
What does AChE do to ACh in the body? Type answer as 2 words, separated by a space and using lowercase letters.
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Izaiah Paul
Desert climates are very hot but dry as well. This indicates that they often fall along the climate zone.
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Amina
What is 98% water and 2% salt inside the cell
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Phoenix Guerrero
Which one of the following is not a benefit of the human genome project?

Group of answer choices

improvements in DNA forensics

increased understanding of genetic diseases

improved understanding of human evolution

proof of the theory of evolution
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Henderson
We get energy from the foods we eat and are called
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