Chapter 6/7 Photosynthesis and Cellular Respiration Review 1. _Energy__ is required for transport of certain materials‚ movement‚ growth‚ and reproduction. 2. Define autotroph and heterotroph. Name the organisms that make up each. Autotrophs use the suns energy to produce their food. Heterotrophs consume other organisms to obtain food. Plants Animals 3. ___Sun__ is the ultimate source of energy for all living things on Earth based on the cycle of photosynthesis and cellular respiration
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Protista. 2. What are the three types of multicellular algae? The three types if multicellular algae are chlorophyta which are green algae‚ phaeophyta which are brown algae‚ and rhodophyta which are red algae. 3. Are algae autotrophs or heterotrophs? Algae are autotrophs. 4. What organelle allows plants (and plantlike protists) to photosynthesize? The chloroplasts allow plants and plantlike protists to photosynthesize. Objective: The goal of this lab is to identify and explore common features
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decomposer organisms! These simpler nutrients are returned to the soil and can be used again by plants. The energy transformation chain starts all over again. Producers: Organisms‚ such as plants‚ that produce their own food are called autotrophs. The autotrophs‚ as mentioned before‚ convert inorganic compounds into organic compounds. They are called producers because all of the species of the ecosystem depend on them. Consumers: All the organisms that can not make their own food (and need producers)
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The mode of nutrition in which organisms make food themselves from simple substances is called autotrophic (auto = self; trophos = nourishment) nutrition. Therefore‚ plants are called autotrophs Animals autotrophs. and most other organisms take in ready made food prepared by the plants. They are called heterotrophs (heteros = other). Paheli wants to know why our body cannot make food from carbon dioxide‚ water and minerals like plants do. Now we may ask where the food factories of plants are located:
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Chapter 3 Ecosystems: What Are They and How Do They Work? Section 3-1: What Keeps Us and Other Organisms Alive? Earth’s life support system has four major components: The atmosphere (air) The hydrosphere (water) The geosphere (rock‚ soil‚ and sediment) The biosphere (living things) The Atmosphere The atmosphere can be divided into two layers: The troposphere extends about 17 km above sea level at the tropics and about 7 km above the north and south poles. It contains the air we breathe: 78% Nitrogen
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Without autotrophic organisms heterotrophic organisms would not be able to survive for two asic reasons. One is the fact that autotrophic organisms create most of the oxygen that heterotrophs breath. Whithout them‚ heterotrophs which need oxygen to survive would not live very long. The second reason is that autotrophs are the lowest food on the food chart. Without them many heterotrops would die from starvation. 3. Why did you put your syringes containing leaf material in the dark prior to illumination
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Biology Vocabulary: 1. Immigration: influx of individuals into an area 2. Emigration: movement of individuals out an area. 3. Logistic growth: (shown with an S-shaped curve) population growth that levels off at carrying capacity. 4. Exponential growth: (shown as J-shaped curve) geometric increase of a population as it grows into an ideal unlimited environment. 5. Niche: the sum total of a species use of the abiotic and biotic resources in its environment 6. Symbiosis: an ecological relationship
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Bacteria are often maligned as the causes of human and animal disease (like this one‚ Leptospira‚ which causes serious disease in livestock). However‚ certain bacteria‚ the actinomycetes‚ produce antibiotics such as streptomycin and nocardicin; others live symbiotically in the guts of animals (including humans) or elsewhere in their bodies‚ or on the roots of certain plants‚ converting nitrogen into a usable form. Bacteria put the tang in yogurt and the sour in sourdough bread; bacteria help to break
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Distinguish between autotroph and heterotroph. Autotrophs are organisms that synthesize their own organic molecules (food) from simple inorganic substances. More commonly known as producers‚ autotrophs make their own food. In most communities these producers create their own food through the process of photosynthesis. Meanwhile heterotrophs are organisms that obtain organic molecules (food) from other organisms. There are three different types of heterotrophs. The heterotrophs are represented by
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Chapter 1 - Scientific Methods Objectives 1. Demonstrate a basic knowledge of classroom/science safety. 2. Understand the purpose of a hypothesis‚ and identify when a hypothesis should be used. 3. Be able to identify the independent and dependent variables in a formalized hypothesis. 4. Differentiate between an observation and an inference. 5. Contrast quantitative and qualitative observations. 6. Given a data table‚ draw and label a graph. Including a title‚ labeled units‚ and legend. 7
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