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Identify the gluteus maximus.

All of the following disturbances EXCEPT ________ would be considered natural. a. fire c. windstorm b. flood d. mining    

Which of the following examples best illustrates interference competition? a. Soil levels of potassium are gradually reduced by the hemlocks and cedars in a climax forest. b. The growth of starling populations usually coincides with declines in songbirds because both use abandoned cavities for nesting. c. When larger animals become scarce, wolves often prey on mice, reducing their availability to coyotes. d. Rough-skinned newts contain enough toxin in their skin glands to kill almost any predator.

The ecological diversity of a community has two components: the number of different species that live in the community and the relative abundances of those species. 

A collection of one or more cell types that carry out distinct and coordinated activities in the body is called tissue.

In ________ competition, species compete indirectly for a shared resource, each reducing the amount available to the other competitor. a. exploitative c. interference b. restrictive d. advantageous

  Discussion. Chose ONE of the following topics and type your answer in the space provided   46 A)  Compare and contrast predation and commensalism and provide an example of each.      B) Describe how chemical nutrients enter and are recycled through an ecosystem.      C) How would the nervous system act upon the circulatory and respiratory systems to maintain a homeostasis of the blood gases carbon dioxide and oxygen during exercise or            rest?         

Asexual and sexual reproduction in animals is similar in that both a. increase genetic variation in offspring. b. produce offspring that have double the amount of genetic information of the parent(s). c. rely on parental chromosomes to mix in new ways. d. generate offspring that carry parental genes.

Which of the following statements about human sperm and eggs is correct? a. Sperm are visible to the eye, whereas eggs are microscopic. b. A woman’s supply of eggs is limitless. c. Eggs have twice as much genetic information as sperm have. d. Sperm are much smaller than eggs.

In the absence of ________, nutrient recycling within the ecosystem would completely stop. a. rocks c. decomposers b. secondary consumers d. predators