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I need a 200-word response to each of the following forum post made by my classmates (400 words total): (The original forum question is below the following two classmate forum post) Classmate Forum Po
I need a 200-word response to each of the following forum post made by my classmates (400 words total):
(The original forum question is below the following two classmate forum post)
Classmate Forum Post #1:
Sexual selection refers to adaptive changes in males and females that lead to an increased ability to secure a mate. Each sex has a different strategy with regard to sexual selection. Since females produce few eggs, the choice of a mate is very serious. However, males can father many offspring because they continuously produce sperm in a high quantity. Therefor, males often compete in order to inseminate as many females as possible. Because of this, sexual selection in males usually results in an increased ability to compete with other males for a mate. On the other hand, sexual selection in females favors the choice of a single male with the best fitness, or the ability to produce surviving offspring. Males often demonstrate their fitness by coloration or elaborate mating rituals.
Classmate Forum Post #2:
Camouflage and coloration can help with survival between a prey and a predator. These camouflage adaptions has another name also called cryptic coloration. These mechanisms and tactics help with defense, disguise, and movements. These help mask identity as well. Physical characteristics such as feathers and scales for instance is a camouflage. For example, a Screech Owl will use its wings to disguise itself to match the bark of the tree it is lodged in. This type of camouflage is called background matching. Camouflage is also influenced by its behavior. For example, a zebra and its stripes will camouflage from a color blinded lion. A lion is a zebras main predator and a zebras black and white stripes cause it to blend into a golden savanna of Africa and its habitat because of the color blindness of the lion. Fish such as flounder almost exactly match their habitat along the speckled sea floor. If you take a look at a squirrel or a deer, they will match or resemble earth tones. Another type of camouflage or coloration differences is called aposematism. Another name for it is warning coloration. Warning coloration allows for the predator to be aware of the organisms toxic or dangerous characteristics. Species that demonstrate these traits are larva and adult stages of the monarch butterfly. The monarch butterfly is patterned with a orange, black, and white pattern but the monarch caterpillar is striped with a yellow, black, and white. Monarchs have the ability to eat milk weed which is a poison to many birds which will upset a birds stomach. These bright colors warn birds that the upset stomach may not be worth the meal.
Original Forum Question:
Discussion Board 4: Ecology
For each board, please choose one question to complete the main post. The main post must be AT LEAST 250 words. The post must be related to one of the topics presented by your instruction found below. If the post is not 250 words or not on a topic presented it will be returned.
Please make sure that all of the information that you use to complete your post is from your textbook. If you choose to use sources outside your book you are required to cite and reference in APA format. Otherwise the post will be returned.
Once you have completed the main post you can choose any 2 peer posts to reply to in at least 125 words.
If your post if rejected, you will get a message in your Message Center regarding why. Please use the HELP tab on your portal to contact your instructor if you need assistance.
Discussion topics can be updated periodically.
1. Discuss the camouflage/coloration difference between males and females. Discuss why they have these patterns.
2 . Scientists talk about the 6th Mass extinction happening right now. What is it and how is it different from the last 5?
