Name: _______________________ IB DP Biology: Ecology Test – Paper 1 40 Points 45 Minutes 1.Which phylum does the plant below belong to? A.AngiospermophytaB.BryophytaC.ConiferophytaD.Filicinophyta2.What is a community composed of? A.Habitats B.Populations C.Abiotic factors D.Biotic and abiotic factors 3.Which of the following is the best definition of a population? A.A group of individuals that can interbreed and produce fertile offspring B.The number of individuals of the same species
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Building a Fire to Fight Nature Jack London’s title for the story "To Build a Fire" starts the reader off with a very basic idea; building a fire. Almost anyone can build a fire. All it takes is a match and some kindling. London’s story is about more then building a fire‚ though. This story is about a man’s belief in himself‚ self-confidence and even arrogance‚ to such an extent that he doesn’t recognize the power of nature around him. London’s story is more like a "Man against Nature" story. London’s
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Since the beginning of time‚ dogs have been man’s best friend. Dog’s know how to bring a smile to almost anyone’s face‚ and dogs’ are the best blanket to snuggle up with on a cold winter day. For all that dogs’ do for humankind‚ we should be treating them like royalty. Over time though‚ humankind started forgetting how wonderful dogs’ really are‚ and‚ along with many other things in society‚ started only seeing dollar signs. These poor defenseless creatures were thrown into slavery‚ in the form of
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Do you want to know more about dogs and why they’re perfect of anybody? Dogs are domesticated and have a keen sense of smell. They are intelligent animals and have the ability to understand human commands and words. Rescuing or adopting a dog can be an amazing experience. Dogs can vary in size‚ weight and lifespan‚ they can be helpful‚ and make great companions. There are many different dogs to choose from. Depending on what breed a dog is‚ they vary in their size‚ weight‚ abilities‚ and lifespan
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Mojave Desert Organisms * Planate (Vegetation) – Brittle Bush‚ California Juniper‚ Creosote Bush‚ Common Saltbush‚ Joshua Tree‚ Mojave Aster‚ and Triangle-leaf Bursage * Animalia (Animals) – Mammals include coyote‚ desert bighorn sheep‚ desert kit fox‚ spotted skunk‚ spotted bat‚ black-tailed jackrabbit‚ ground squirrels‚ kangaroo rat and white-footed mouse. Birds include eagles‚ hawks‚ owls‚ quail‚ roadrunners‚ finches‚ warblers and
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Ledesma‚ Miles Levon Worksheet no.81 Dogs 1. Why is the dog considered to be man’s best friend? * The dog considered to be man’s best friend because dog has a intellectual ability that dog can do tricks‚ dog can smell anything like bomb and dog can be our savior. They could physically and psychologically help their humans with hearing disabilities‚ would be more affordable‚ and would be very loving. They could alert their humans to sounds of doorbells‚ alarm clocks‚ electrical
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EXTREME PERCEPTION AND ANIMAL INTELLIGENCE Many animals also have extreme perception. Forensic dogs are three times as good as any X-ray machine at sniffing out contraband‚ drugs‚ or explosives‚ and their overall success rate on tests is 90 percent. The fact that a dog can smell things a person can’t doesn’t make him a genius; it just makes him a dog. Humans can see things dogs can’t‚ but that doesn’t make us smarter. But when you look at the jobs some dogs have invented for themselves using
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EE3114 Systems and Control Semester B 03/04 Formal Report Experiment 1 - System Dynamics and Behavior Electronic Engineering Electronic and Communication Engineering EE3114 Systems and Control Experiement 1 Title: System Dynamics and Behavior Objectives: Dynamic systems like dc-servomotors‚ financial systems‚ logistic models‚ internet systems and eco-systems can be described by a set of coupled differential equations. Based on this model‚ one can study
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Producers Autotrophic- make their own food Convert energy from the sun through photosynthesis Phytoplankton- Small plant organisms that drift water currents and use carbon dioxide‚ release oxygen and convert minerals through a form animals can use most abundant and widespread producers in the marine environment Consumers Heterotrophic- cannot make their own food‚ consume other organisms or absorb dissolved material herbivores or carnivores Decomposers Bacteria that break down dead
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Module 04 Review Phytoplankton (Lessons 04.02‚ 04.03‚ 04.04) * What are phytoplankton? * Plankton consisting of microscopic plants. * Know that the three adaptations that allow phytoplankton to float are: cavities in the center of their cells‚ cells contain oils and fats‚ and spines around the cavities * Are phytoplankton the base of the oceanic food chain? * Yes * What things do phytoplankton need to survive? * Light‚ minerals‚ and precursors for photosynthesis
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