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Evolution Research Project
Transcript of Evolution Research Project
(Pan troglodytes) A chimpanzee's environment is of Social communities of several dozen animals, and can habituate themselves to African rain forests, Woodlands, and grasslands. Living Places The Chimpanzee is usually found in mainly rain forests and wet Savannas of Africa. While they spend equal time on land and in trees, they do most of their feeding and sleeping in trees. Where Are They Found? Their faces are pinkish to black, and their bodies are covered with long black hair. They tend to lack a tail. Opposible thumbs and toes help them to grasp objects. They are quadrupedal meaning they walk on all 4. What do they look like? By: Jenna Mahaney
Miss Colvin's 3rd Period Biology Class
March, 22, 2013 Evolution Research Project The chimpanzee's foot has an opposable big toe, which serves just like a thumb on a hand. The big toe grabs branches while climbing through trees and can hold other items. The big toe's opposability does not lend itself well to walking on the ground. Adaptation A chimpanzee's sharp canines come in handy in a variety of ways. When putting on a threatening display to intimidate others, a chimpanzee will flash its teeth in a big grin. However, wild chimpanzees do not smile when they're happy. They show their sharp canines to scare others off. The canines are also useful when catching and eating prey, including monkeys and small deer. Adaptation Chimpanzees have long, strong arms. An adult chimpanzee is, on average, five to seven times stronger than a human. These strong arms are useful for helping chimpanzees climb and swing through trees. Chimpanzee shoulders are designed in a way to allow for "brachiation," which helps the chimpanzee swing easily from branch to branch in the forest. Adaptation One of the chimpanzee's behavioral adaptations is nest building. In order to avoid predators through the night and sleep safely, chimpanzees build nests toward the tops of trees. In preparation for going to sleep at night, each chimpanzee collects leaves and branches and builds a nest in which to sleep. Adaptation Chimpanzees live in communal groups that range in size from a handful up to 50 individuals. There are many benefits to chimpanzees living in groups. A large group of chimpanzees will better be able to protect their food resources and territory. Living in a group also increases a chimpanzee's chance to mate and reproduce. Adaptation The chimpanzee has not changed in the past 100 years. 100 years ago 1. Humans- One of the many challenges that chimpanzees face in survival is due to the close anatomical association that they have with Humans/Homo sapiens. Biomedical research once consumed up to 90,000 chimpanzees a year. While this number has been reduced in recent years, chimps are still captured and bred for their use in research labs. 2. Loss of Natural Habitats- Forests in Southeast Asia, equatorial Africa, and Southeastern Brazil are being logged, colonized, and cleared for agriculture. 3. Hunting- Many people try to capture chimps and sell them in the pet trade. Chimps are so much like humans that there is a "virtually insatiable demand for them" Struggles for Existence Natural Selection occurs with Chimpanzee's.
Natural Selection is
The process whereby organisms better adapted to their environment tend to survive and produce more offspring. Natural or Artificial 1. West African Chimpanzee/ Pan troglodtes verus
2. Nigeria-Cameroon Chimpanzee/ Pan troglodytes ellioti
3. Central Chimpanzee/ Pan troglodytes troglodytes
4. Eastern Chimpanzee/ Pan troglodytes ellioti Sub- Species Water levels are decreasing because of heat. Your species is trapped in a body of water that is quickly drying out. How can it adapt and survive? Global Warming? If water were to completely dry out, I predict that the chimpanzee's wouldn't be able to survive and eventually die out. It would be able to adapt easily because they would be able to get food because of their opposible thumbs, sharp canine teeth, and long arms, but without water I don't think it would be able to survive as long. Chimpanzee 100 years ago. Chimpanzee today. Vestigial Structures
1. Largely underdeveloped ear muscles Vestigial and Homologous Structures 1.The chimpanzee is very social.
2.The males are attracted to the older females. Fitness 1. Weigh 55-110 pounds
2. 3 to 4 1/2 ft. tall
3. Lifespan: 50 years
4. Swahili Name: Sokwe Mtu
6. Live in groups called troops of 30-80 individuals
7. Great Apes(NOT Monkeys)
8. Our closest living relatives
9. Communicate: Vocalizations, gestures, body postures, facial expressions, etc. Interesting Facts Homologous Structures
1. Anatomical- Whole arm is like a humans
2. Molecular- 96% the same DNA
3. Development- The brain takes longer to develop than a humans, and 4-5 monthes in the womb.
4. Cellular- Keratinocytes organelles, Mitochondrion organelles, Lysosome organelles www.outtoafrica.nl/animals/engchimpanzee.htlm