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Predation Essay Topics & Paper Examples

Ecological Pyramids Worksheet

1. Give one example of a food chain that exists in nature. Grass-mouse-snake-hawk 2. In an ecological pyramid, what happens to energy, biomass and # of species as you move up? Why? They all decrease because energy is lost as it moves up each trophic level. Each trophic level requires more energy to sustain it, increasing competition for resources and causing number of organisms to drop. 3. What is biomass? Biomass is the total mass of dry organic matter per unit area. 4. In an ecosystem, can there be more carnivores than herbivores? Explain why or why not? No, there must be more herbivores because the herbivores provide food for the primary consumers. If the carnivores outnumbered the herbivores, the…

Why cats are better than dogs

Many people today own a pet or some sort, but the most popular are dogs and cats. Everyone has their own particular reason for their choice of pet, but I prefer cats over dogs because cats are more independent than dogs. Firstly you never have to worry about trying to fit in 2 or 3 walks every day because with cats you don’t need that. For example, if you were tired or sick and you had a dog, you would still need to walk him/her. Or, it would cost money to hire someone else to walk your dog and it is a headache to arrange. Lastly you could put down enough food and drink and the cat would eat and…

Compare and contrast: Dogs and Cats

Owning a house pet can be an enjoyable experience, if a potential owner takes time before purchasing the animal to research what type of care will be needed for the type of animal he or she chooses. Dogs and cats are among the most popular pets; however, their care is drastically different, obviously they do have similarities between the two, they both have hair and are in the mammal family. They also give birth to multiple offspring at the same time. If the potential owner shows love and affection to these animals, they will show it back. The both are also good stress relievers for many owners. Dogs, compared to cats, require more maintenance. Maintaining a dog requires the owner…

Physiology Assignment

I chose to look up a diagram on a sea dwelling organism known as a Jellyfish. Jellyfish have many different forms and are often characterized in different groups. One jellyfish that stood out to me was the Aurelia or also known as the Moon Jellyfish, which is like the basic jellyfish that I’ve always seen in pictures and books growing up. Jellyfish are said to be very effective predators, as one point in the time they were considered to be at the top of food chain. Being effective predators makes them physically fit to be in any environment that they travel to. Even though most would say that jellyfish are horrible swimmers, they are actually in fact many are very…