Biology STAAR Practice Review
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Assessment
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Deleted User
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Biology
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9th Grade
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2K plays
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Medium
Student preview
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19 questions
Show answers
1.
Multiple Choice
The cladogram shows the evolution of land plants as indicated by fossil records.
Which discovery would challenge the validity of this cladogram?
A large aquatic vascular plant about 200 million years old
A species of algae that has existed for less than one million years
A moss species that has existed for less than 380 million years
A fossil of a fern more than 425 million years old
2.
Multiple Choice
Scientists estimate that there are more than 20,000 species of ants. The species range in size from 1 mm long to 38 mm long and live in most environments. The diets of ants range from flowers and seeds to fluids from their own larvae. Ants have been able to successfully inhabit so many different environments because their populations have been able to --
hybridize with other species of insects
adapt to a variety of habitats and food sources
fill niches usually occupied by mammals
occupy habitats that have no other life-forms
3.
Multiple Choice
Two populations of mice living in the same forest are separated by a large water-filled ditch. After a rainstorm, flooding brings several mice from one population to the other population. When the mice from the first population reproduce with members of the second population, which of the following will likely occur?
All of the offspring will die as a result of reproductive mutations.
The offspring will be forced to leave the second population.
The offspring will be genetically identical to their parent from the first population.
The offspring in the second population will have greater genetic variety.
4.
Multiple Choice
The picture shows bean-shaped glands called nodes. The clusters of cells in the nodes include macrophages that break down viruses and other potentially harmful materials. Nodes also contain cells that produce protein particles capable of capturing harmful materials that flow in tissue fluid through the nodes. Different parts of the body are drained by nodes in different regions of the body.
Which body systems are directly responsible for regulating these nodes and protecting the body from harmful materials in tissue fluid?
Immune and lymphatic systems
Digestive and nervous systems
Endocrine and digestive systems
Circulatory and nervous systems
5.
Multiple Choice
Organisms are classified today using the Linnaean system, and the following table shows the taxonomic classification of two marine organisms living along the Pacific Coast.
Taxonomic classification is important to marine biologists because it provides a way to -
prove that marine evolution occurs
discover and name every marine organism on Earth
designate Latin as the universal language of marine biology
identify marine organisms and find evolutionary relationships between them
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