In Louisiana, where marshland have become open water, sediments are being brought in via barges and marsh grasses are being planted as an example of:
a. ecological restoration
b. hot spots
c. ecoregion creation
d. preserving endangered species
e. reducing the effects of global warming
a
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Motor proteins cause movement by: (1) undergoing a conformational change; (2) releasing energy from ATP; (3) binding to the cytoskeleton
A. Statements (1), (2) and (3) are correct. B. Statements (1) and (2) are correct. C. Statements (1) and (3) are correct. D. Statements (2) and (3) are correct.
What statement is NOT true about the human nervous system?
A. The autonomic nervous system controls glands and smooth muscles of the viscera. B. The central nervous system consists of the brain and spinal cord. C. The somatic nervous system controls skeletal muscles. D. The somatic nervous system is part of the peripheral nervous system. E. The somatic nervous system is further divided into the sympathetic and parasympathetic divisions.
Which of the following statements about Archaeopteryx is FALSE?
A. It is the ancestor of modern birds. B. It shows a combination of reptilian and bird -like features. C. It provided clear evidence of the close relationship between birds and dinosaurs. D. It had a long, bony, reptilian tail. E. It had asymmetrical feathers like a modern bird.
Plants do not benefit from insects that prey on their nectar
Indicate whether the statement is true or false