Which of the following statements is the best prediction based on the hypothesis that bird species have decreased in number in a particular wetland because of construction traffic?
Ans: If a Wetland area is disturbed by construction vehicles, then the number of bird species will decrease
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The first defense cells that interact with a pathogen in the body are
A) T cells. B) macrophages. C) B cells. D) mast cells.
Which sequence of the neural signaling pathway is correctly arranged from the earliest to the latest event as it occurs in
the nervous system?
a. integration, transmission, reception, response, transmission b. transmission, response, reception, transmission, integration c. response, reception, transmission, integration, transmission d. reception, transmission, integration, transmission, response e. transmission, integration, transmission, reception, response
Viruses are made of the same four types of biological molecules as living cells. These include all of the following except
a. lipids. b. capsids. c. carbohydrates. d. proteins. e. nucleic acids.
When a plant blocks fertilization after recognizing pollen as genetically related, this is called
A. self-incompatibility. B. self-fertilization. C. self-pollination. D. outcrossing.