Armt Review 3 Question Preview (ID: 14780)
Armt 7th Grade Science Review.
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A rabbit uses the energy it obtains from plants to produce more cells. Which statement best describes this process?
a) All living things obtain energy from plants.
b) All living things use energy from food to grow.
c) All living things are consumers.
d) All living things have a digestive system.
Which base in an RNA molecule pairs with guanine in a DNA molecule?
a) cytosine
b) thymine
c) adenine
d) uracil
Which correctly identifies the order in which nutrients from food are broken down and digested?
a) esophagus, mouth, stomach, small intestine, large intestine
b) mouth, esophagus, stomach, small intestine, large intestine
c) mouth, stomach, esophagus, large intestine, small intestine
d) mouth, esophagus, small intestine, stomach, large intestine
Which statement does NOT describe chromosomes?
a) Chromosomes are found in the nucleus of a cell.
b) Chromosomes are made up of DNA.
c) Chromosomes are found only in reproductive cells
d) Chromosomes control cell processes.
Which statement best describes characteristics of the kingdom Fungi?
a) Fungi include both single-celled and multicellular organisms.
b) Fungi have cells that lack organelles.
c) Fungi are single-celled and do not have cell walls.
d) Fungi are multicellular and produce their own food.
Which statement below describes only the abiotic factors in a marine ecosystem?
a) Freezing and thawing on a mountaintop weather the rocks and produce a slope of jagged rocks.
b) A population of hagfish burrow inot the rotting flesh of a dead gray whale on the ocean floor.
c) The concentration of salts in the water of an estuary changes with the ocean tides.
d) Populations of phytoplankton off the shore of a delta explode in response to nitrogen fertilizers.
Which statement below describes a difference between DNA and RNA?
a) RNA is double-stranded and DNA is single-stranded
b) RNA uses the base uracil and DNA uses the base thymine
c) RNA is found only in haploid cells, and DNA is found only in diploid cells
d) RNA has three different bases, and DNA has four different bases.
Which trait is entirely determined by chromosomes?
a) hair length
b) body mass
c) eye color
d) blood pressure
A student is writing a report about multicellular organisms. Which statement should the student include in the report?
a) Eubacteria and Fnngi are kingdoms that contain multicellular organisms.
b) Fungi, Plantae, and Animalia are kingdoms that include unicellular organisms.
c) All members of kingdom Plantae and some members of Fungi are multicellular organisms.
d) Kingdoms Protista, Animalia, and Eubacteria all include multicellular organisms.
The island of Madagascar off the coast of Africa holds about 150,000 species found nowhere else. Which best explains this fact?
a) geographic isolation
b) species variation due toclimate
c) high rates of mutation
d) continual species interaction
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