Topic 2: The Ecosystem 2.1.1 Biotic: living factors or components‚ e.g. plants and animals. Abiotic: non-living factors or components‚ e.g. soil‚ water‚ wind‚ etc… 2.1.2 Trophic level: is the position that an organism or a group of organisms in a community occupies in a food chain. 2.1.3 A food chain shows the flow of energy from one organism to the next. A food web is a complex network of interrelated food chains. Producers (autotrophs): manufacture their
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carried by wind or animals to female reproductive structures. A seed is a storage device that also protects and nourishes a plant embryo. Plants evolve with other organisms in their environment. • A mutualism is an interaction between two species in which both species benefit. Important mutualisms involving plants include those between plant roots and certain fungi and bacteria‚ and those between plants and their animal
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BIOLOGY Tingkatan 4 Kertas 2 Dua jam tiga puluh minit PERATURAN PEMARKAHAN Peraturan Pemarkahan ini mengandungi 15 halaman bercetak @ 2011 Hak Cipta MPSM Pahang MARKING SCHEME PEPERIKSAAN AKHIR TAHUN 2011 (TINGKATAN 4) BIOLOGY 4551/2 |No. |Marking criteria |Marks | |1(a)(i) |Able to label P and S.
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Study Sheet for Biology SB4: Chapter 3 Concept Checks Concept Check 3.1: ~Animal Behavior: what an animal does as it interacts with its environment. ~ Immediate Cause: explanation of an organism’s behavior based on its immediate interactions with the environment ~Ultimate Cause: explanation of an organism’s behavior based on its evolutionary adaptations 1. Why do the whales blow bubbles when they touch the surface? What allows the whales to blow bubbles when they reach the surface? 2. Tinbergen’s
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2015 IfAS JODHPUR CSIR NET LIFESCIENCE JUNE 2015 SOLVED PAPER BY IFAS JODHPUR PART ’A’ 1. What is angle x in the schematic diagram given below? 9. Let m and n be two positive integers such that m + n + mn = 118. Then the value of m + n is 1. not uniquely determined 2. 18 3. 20 4. 22 10. From a group of 40 players‚ a cricket team of 11 players is chosen. Then‚ one of the eleven is chosen as the captain of the team. The total number of ways this ? can be done is [ below means the number of ? ways
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these chaotic dilemmas‚ union members decided to emerge as one‚ in order to overcome the corporations. Methods of scientific management were incorporated and the two ideological groups (radicals and conservatives) were firmly rooted in the belief of mutualism. However‚ conflicts between anarchists and capitalists ignited strikes‚ generating the Haymarket Square Riot along with the Homestead and Pullman strikes. It was then clear that they could not eliminate corporate control. Even with unity‚ the workers
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are the same; lives on us at all times‚ harder to wash away than transient flora symbiotic relationship – two or more organisms living together (fungus and algus=lichen) Mutualism - all benefit (E. Coli makes vitamin K) Commensalism – one benefits‚ the other is not harmed (cattle‚ birds‚ grass) Parasitism - one benefits‚ the other is harmed (worms or protozoan‚ virus) Transients - temporary residents‚
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sea anemone can either be a predator trying to catch prey when walking into the mouth. As hermit crabs can be vulnerable‚ the two species can also have a symbiotic relationship the sea anemone can live off the shell of the hermit crab. This shows commensalism because being on the shell of the hermit crab doesn’t affect the sea anemone but the hermit crabs’ protection increases.
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Bangley is the most weaponized to survive the apocalypse and provides Hig with the protection he needs. This defines a type of Symbiotic relationship‚ mutualism‚ which is actually a contrary belief to Darwinism. NECSI (New England Complex Systems Institute) defines mutualism as “when two organisms of different species work together‚ each benefiting from the relationship”. In this apocalyptic scanario‚ the two species are Hig as a pilot who offer/s Bangley the
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INTRODUCTION Levels of organization (cell to biosphere) and characteristics of life Levels: Cells->tissue ->organs & organ systems->organisms->populations->communities->ecosystems-> biosphere Characteristics of life: Cell and Organization: Each cell can only do the job it is tasked with. Example: brain cells Energy Use and Metabolism: Energy is needed many organisms. Energy is utilized in chemical reactions Response to Environmental Changes: responds to stimuli Regulation and Homeostasis: ex:
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