Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 42, Problem 13TYK
Discuss Concepts In integrated pest management, a farmer uses a variety of tools to combat unwanted insects. These include applications of either hormones or hormone-inhibiting compounds to prevent insects from reproducing successfully. How might each of these hormone-based approaches disrupt reproduction?
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Chapter 42 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 42.1 - What is the difference between a hormone and an...Ch. 42.1 - How is endocrine signaling different from...Ch. 42.2 - Prob. 1SBCh. 42.2 - Prob. 2SBCh. 42.3 - Prob. 1SBCh. 42.3 - Prob. 2SBCh. 42.4 - What effect does parathyroid hormone have on the...Ch. 42.4 - Prob. 2SBCh. 42.4 - Prob. 3SBCh. 42.4 - Prob. 4SB
Ch. 42.5 - How do hormones compare structurally and...Ch. 42 - Prob. 1TYKCh. 42 - Prob. 2TYKCh. 42 - When the concentration of thyroid hormone in the...Ch. 42 - Which of the following statements about endocrine...Ch. 42 - Prob. 5TYKCh. 42 - Prob. 6TYKCh. 42 - If the human body is stressed, glucocorticoids: a....Ch. 42 - Prob. 8TYKCh. 42 - Prob. 9TYKCh. 42 - Prob. 10TYKCh. 42 - Prob. 11TYKCh. 42 - Prob. 12TYKCh. 42 - Discuss Concepts In integrated pest management, a...Ch. 42 - Prob. 14TYKCh. 42 - Prob. 15TYKCh. 42 - Prob. 1ITDCh. 42 - Prob. 2ITDCh. 42 - Prob. 3ITDCh. 42 - Researchers measured prolactin and growth hormone...
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- FOR THE FOLLOWING STUDIES, WRITE A NULL HYPOTHESIS.-You want to test whether birth control pills increase a woman’s chances of getting breast cancer. -You are interested in discovering if cattle grazing in grasslands alters the plant species that grow in those grasslands. -You want to study whether tomatoes are grown organically (without chemical pesticides and fertilizers) have greater vitamin content than tomatoes grown conventionally (with chemical pesticides and fertilizers).arrow_forwardAnimals attract mates through a variety of behaviors. Diurnal animals tend to rely on visual cues, while nocturnal ones make frequent use of pheromones. In recent years, environmental pollutants called endocrine disruptors are on the rise. Such chemicals mimic hormones in higher-order animals and interfere with the reproductive cycle.arrow_forwardWhy is Drosophila melanogaster a relevant model of substance abuse disorders? Select all that apply. Partial point deduction for incorrect choices. The fruit fly lacks dopaminergic neurons, making it a good negative model for addiction. Because flies do not display dose-dependent responses to psychoactive drugs, fewer experimental treatments are needed. The fruit fly has a homologous circadian clock, which can be manipulated to investigate changes in physiological responses to drugs. Fruit flies are deuterostomes. Several fly genes responsible for level of ethanol sensitivity have human orthologs. The fruit fly also has neuropeptides secreted by brain cells that influence preference behaviors.arrow_forward
- Identify the functions of the three major hormones that controlgrowth and development in insects.arrow_forwardThe Amoeba cell exhibits specialized abilities that enable it to react to a stimulus by producing a response or a behavior. It can do this because it has adapted properties exhibited by simpler more primitive cells. These cellular properties include a) Separation of the fluid environments inside and outside the cell. b) Active transport of Na+ out of and K+ into the cell, c) diffusion of Na+ in to and K+ out of a cell in reaction to a stimulus, d) the stimulus interacting with a receptor site in a membrane embedded protein, e) All of these are true.arrow_forwardExplain the action or effect of moult-inhibiting hormone in insects development (exclusively in mosquitoes).arrow_forward
- In an experiment in which resource allocation was studied in ovariectomized and sham-operated brown anoles, results showed that - A. Females which laid fewer eggs per clutch had lower rates of survival. B. Allocation to reproduction enhanced the growth and survival of the brown anoles. C. The females which laid eggs more eggs had higher survival rates. D. The females which did not lay eggs showed higher growth and survival rates.arrow_forwardWhich of the following statements are true? a. ) Almost all invasive species are plants. b. Invasive species multiply rapidly and may displace native species in a community. c. Invasive species have no predators or parasites in their new ecosystem d. All introduced species are invasive. e. In sexual reproduction, the offspring have the same combinations of genes as their parents. f. Sequential hermaphroditism occurs when an animal is one sex during one phase of its lifecycle and the opposite sex during another phasearrow_forwardYou discover a new species of reptile that can either lay eggs or have live birth. The species has a broad range from warm subtropical areas to cool temperate areas. In which environment would you expect oviparity? A. Cool temperate B. Warm subtropical Choose between a and b and provide rationalearrow_forward
- Which of the following statements best describes the advantage of sexual reproduction in organisms? It reduces genetic variation, which may be useful in the future. It prevents adaptation in a changing environment. It yields offspring with novel combinations of traits. It eliminates the possibility of harmful traits being passed on. tnf: Which of the following statements best describes the functions of villi and microvilli? Villi and microvilli form the inner layer of epithelial tissue in the small intestine and increase the absorption of nutrients from chyme. Villi and microvilli absorb food through the small intestine via smooth muscle contractions called peristalsis. Villi and microvilli increase the surface area of the small intestine, which increases the absorption of nutrients by diffusion. Villi and microvilli increase the surface area of the small intestine, which aids in the absorption of bile salts and vitamin B12.arrow_forwardWhat are some of the applications of animal reproduction and development in the real world?arrow_forwardInstruction: Propose a hypothesis for the given scenario below. Please answer here directly. Also, support your answer with scientific bases. Female silkworm moths (Bombyx mori) attract males by emitting chemical signals that spread through the air. A male hundreds of meters away can detect these molecules and fly toward their source. The sensory organs responsible for this behavior are the comb like antennae visible in the photograph shown here. Each filament of an antenna is equipped with thousands of receptor cells that detect the sex attractant. Based on what you learned in this chapter, propose a hypothesis to account for the ability of the male moth to detect a specific molecule in the presence of many other molecules in the air. What predictions does your hypothesis make?arrow_forward
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