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Section 4-1 The Role of Climate (pages 87
Section 4-1 The Role of Climate (pages 87

... a. They generally weaken but do not kill their host. b. They obtain all or part of their nutritional needs from the host. c. They neither help nor harm the host. d. They are usually smaller than the host. ...
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... 1. Life is sustained by the flow of energy from the sun through the biosphere, the cycling of nutrients within the biosphere, and gravity. 2. Some organisms produce the nutrients they need, others survive by consuming other organisms, and some recycle nutrients back to producer organisms. 3. Human a ...
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... process of fungal hyphae exchanging nutrients with a tree’s roots to the global migration paths of whales, birds, and humans. The show’s exploration begins in the San Francisco Bay at the intersection of industrial and natural environments, diving into a small section of a larger food web that inclu ...
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Life Science Standards of Learning Checklist

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file of this presentation

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UvA-DARE (Digital Academic Repository) Shedding light on detritus

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... the pigments it makes to color its flowers. If the plant that was discussed earlier grows in an ecosystem where it is pollinated by hummingbirds, for example, having a redder flower might be a useful adaptation, because hummingbirds are strongly attracted to red flowers. Here are some examples of pl ...
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... of some species. The temperature fluctuation is greater at the landward side as this area is exposed for a longer period of time. When temperature is high: - soil temperature is high, and only those organisms that can a high temperature can survive. - amount of dissolved oxygen in soil water decreas ...
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The cyclic dynamics of northern trees photosynthesis capacity

... biosphere changes simultaneously with possible cosmic fine effects on terrestrial biota life suggest the wide use of remote-sensing and noninvasive, but sensitive methods. Such state-ofthe-art technique provides an investigator by current data with minimal disturbance of the living objects. Long-ter ...
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Lake ecosystem

A lake ecosystem includes biotic (living) plants, animals and micro-organisms, as well as abiotic (nonliving) physical and chemical interactions.Lake ecosystems are a prime example of lentic ecosystems. Lentic refers to stationary or relatively still water, from the Latin lentus, which means sluggish. Lentic waters range from ponds to lakes to wetlands, and much of this article applies to lentic ecosystems in general. Lentic ecosystems can be compared with lotic ecosystems, which involve flowing terrestrial waters such as rivers and streams. Together, these two fields form the more general study area of freshwater or aquatic ecology. Lentic systems are diverse, ranging from a small, temporary rainwater pool a few inches deep to Lake Baikal, which has a maximum depth of 1740 m. The general distinction between pools/ponds and lakes is vague, but Brown states that ponds and pools have their entire bottom surfaces exposed to light, while lakes do not. In addition, some lakes become seasonally stratified (discussed in more detail below.) Ponds and pools have two regions: the pelagic open water zone, and the benthic zone, which comprises the bottom and shore regions. Since lakes have deep bottom regions not exposed to light, these systems have an additional zone, the profundal. These three areas can have very different abiotic conditions and, hence, host species that are specifically adapted to live there.
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