Which statement about the application of insecticides is true?
A) To control agricultural pests, pest management uses biological controls, chemicals, or cultural methods, but never a combination of these.
B) Simply killing many individuals is often the best way to reduce the size of a pest population.
C) Most insecticides kill the pest but not the pest's natural predators.
D) Pest species can rebound faster than their predators because the pests often have a higher reproductive rate than predators have.
Answer: D
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If an organism has the appropriate number of chromosomes within their cells, they are referred to as which of the following?
a. polyploid b. trisomy c. aneuploid d. euploid
How is the adaptation of investing more energy in producing large offspring beneficial in the Atlantic mollies?
A. Larger-sized offspring can avoid predation by other species. B. Larger-sized offspring have increased swimming ability for accessing food in toxic or dark conditions. C. Larger-sized offspring mature to reproductive age at a faster rate. D. Larger-sized offspring can migrate easier among the stressful and nonstressful environments. E. All of the answer choices are correct.
The relationship between DNA and RNA is ____
a. antagonistic
b. opposite c. exact duplicate d. complementary e. unrelated
Describe the difference between incomplete penetrance and variable expressivity. It is often difficult to pinpoint the cause of incomplete penetrance or variable expressivity. What possible interactions may be responsible?
What will be an ideal response?