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Pleistocene megafaunal interaction networks
... additional predator on Pst. Archaeological evidence suggests Late Pleistocene hunters were able to take down prey much larger than would be expected based on human average body size [45 – 47]. Hence, we simulated humans assuming their interaction patterns would be similar to those of large-sized pre ...
... additional predator on Pst. Archaeological evidence suggests Late Pleistocene hunters were able to take down prey much larger than would be expected based on human average body size [45 – 47]. Hence, we simulated humans assuming their interaction patterns would be similar to those of large-sized pre ...
Learning objectives
... Biogeographic Factors Affect Community Biodiversity 28. Explain why species richness declines along an equatorial-polar gradient. 29. Explain the significance of measures of evapotranspiration to species richness. 30. Define the species-area curve. 31. Explain how species richness on islands varies ...
... Biogeographic Factors Affect Community Biodiversity 28. Explain why species richness declines along an equatorial-polar gradient. 29. Explain the significance of measures of evapotranspiration to species richness. 30. Define the species-area curve. 31. Explain how species richness on islands varies ...
Running head: AN EVALUATION OF THE ELEPHANT
... elephant walks on its tiptoes compared to a feline or canine which walks on its pads. It is noted that the pad of an elephant is as diverse as the human fingerprint in that it is unique to that particular animal; the pattern of the print can also be used to determine the age and overall size of the ...
... elephant walks on its tiptoes compared to a feline or canine which walks on its pads. It is noted that the pad of an elephant is as diverse as the human fingerprint in that it is unique to that particular animal; the pattern of the print can also be used to determine the age and overall size of the ...
Biomechanics 2012
... The apparatus of locomotion The organ system in focus in this course is the apparatus of locomotion and we will go into detail with the different parts further on in the course. However, in order to give a short overview, some facts in general of the apparatus of locomotion are given here. The organ ...
... The apparatus of locomotion The organ system in focus in this course is the apparatus of locomotion and we will go into detail with the different parts further on in the course. However, in order to give a short overview, some facts in general of the apparatus of locomotion are given here. The organ ...
From tropics to tundra: Global convergence in plant functioning P B. R *
... Despite striking differences in climate, soils, and evolutionary history among diverse biomes ranging from tropical and temperate forests to alpine tundra and desert, we found similar interspecific relationships among leaf structure and function and plant growth in all biomes. Our results thus demon ...
... Despite striking differences in climate, soils, and evolutionary history among diverse biomes ranging from tropical and temperate forests to alpine tundra and desert, we found similar interspecific relationships among leaf structure and function and plant growth in all biomes. Our results thus demon ...
From tropics to tundra: Global convergence in plant functioning
... Despite striking differences in climate, soils, and evolutionary history among diverse biomes ranging from tropical and temperate forests to alpine tundra and desert, we found similar interspecific relationships among leaf structure and function and plant growth in all biomes. Our results thus demon ...
... Despite striking differences in climate, soils, and evolutionary history among diverse biomes ranging from tropical and temperate forests to alpine tundra and desert, we found similar interspecific relationships among leaf structure and function and plant growth in all biomes. Our results thus demon ...
Chordates - Advanced
... discussed in previous chapters. Birds, for example, have only been around for about 146 million years. Compare that to some arthropods, such as horseshoe crabs, that have existed in basically the same form for over 500 million years. In this lesson we will examine the specific features that define c ...
... discussed in previous chapters. Birds, for example, have only been around for about 146 million years. Compare that to some arthropods, such as horseshoe crabs, that have existed in basically the same form for over 500 million years. In this lesson we will examine the specific features that define c ...
- University of Alberta
... lurida (Middendorif, 1849) revealed several interesting features about the feeding biology of this rather enigmatic predatory neogastropod. (1) Unlike the more common drilling gastropods in the northeastern Pacific, 0. lurida preyed most heavily upon limpets: of 231 feeding observations, 55.0% were ...
... lurida (Middendorif, 1849) revealed several interesting features about the feeding biology of this rather enigmatic predatory neogastropod. (1) Unlike the more common drilling gastropods in the northeastern Pacific, 0. lurida preyed most heavily upon limpets: of 231 feeding observations, 55.0% were ...
Human Body Systems DR. I MCSNEER
... chemical reactions that keep us alive, we have built-in physiological mechanisms to maintain them at desirable levels. When a change occurs in the body, there are two general ways that the body can respond. In negative feedback, the body responds in such a way as to reverse the direction of change. ...
... chemical reactions that keep us alive, we have built-in physiological mechanisms to maintain them at desirable levels. When a change occurs in the body, there are two general ways that the body can respond. In negative feedback, the body responds in such a way as to reverse the direction of change. ...
Summary
... Gompertz (c = 0.080 mm day-1; R2 = 0.962) and linear equation (c = 0.051 mm day-1; R2 = 0.956) best described juvenile growth of this species according to R² and its biology. We have already proposed Gompertz equation for this purpose (Matić, 2001, Matić-Skoko et al., 2004, Matić-Skoko et al., 2006) ...
... Gompertz (c = 0.080 mm day-1; R2 = 0.962) and linear equation (c = 0.051 mm day-1; R2 = 0.956) best described juvenile growth of this species according to R² and its biology. We have already proposed Gompertz equation for this purpose (Matić, 2001, Matić-Skoko et al., 2004, Matić-Skoko et al., 2006) ...
- Te Kura
... The amount of sunlight the environment receives affects the amount of photosynthesis the plants carry out and this in turn provides energy for all the other members of the community. The light intensity and the length of daylight affect the types of plants found in a community. The temperature is im ...
... The amount of sunlight the environment receives affects the amount of photosynthesis the plants carry out and this in turn provides energy for all the other members of the community. The light intensity and the length of daylight affect the types of plants found in a community. The temperature is im ...
Bodily Systems and the Modular Structure of the Human Body
... be described in terms of causal relations: the myocardium causes the heart to pump by electrochemical stimulation. In other words, a system is characterized simultaneously by a certain complex structure, and by a set of processes in which that structure participates. It is this complex structure tha ...
... be described in terms of causal relations: the myocardium causes the heart to pump by electrochemical stimulation. In other words, a system is characterized simultaneously by a certain complex structure, and by a set of processes in which that structure participates. It is this complex structure tha ...
Modeling nutrient transport and transformation by pool
... however, these effects were element dependent (Table 1; Fig. 4a,b). Differences in life-stage stoichiometry were driven by P content and had a pronounced effect on the amount of P imported into the vernal pool through egg masses (Fig. 4b). Thus, years with low biomass export relative to import, such ...
... however, these effects were element dependent (Table 1; Fig. 4a,b). Differences in life-stage stoichiometry were driven by P content and had a pronounced effect on the amount of P imported into the vernal pool through egg masses (Fig. 4b). Thus, years with low biomass export relative to import, such ...
The seedling as part of a plant`s life history strategy
... 2001; Baraloto et al., 2005a; Zanne et al., 2005). This larger initial size might give seedlings from large seeds better access to water and light, as well as a competitive advantage (Leishman et al., 2000). Second, seedlings from larger seeds tend to have a greater proportion of their reserves unco ...
... 2001; Baraloto et al., 2005a; Zanne et al., 2005). This larger initial size might give seedlings from large seeds better access to water and light, as well as a competitive advantage (Leishman et al., 2000). Second, seedlings from larger seeds tend to have a greater proportion of their reserves unco ...
Nitrogen in Insects - Arizona State University
... The general view that has emerged from studies of phytophagous insects and aquatic herbivores is that individual animals actively regulate body elemental composition but that this regulation may not produce strict homeostasis (Elser et al. 2000b; Sterner and Elser 2002). Among-taxa variation in nutr ...
... The general view that has emerged from studies of phytophagous insects and aquatic herbivores is that individual animals actively regulate body elemental composition but that this regulation may not produce strict homeostasis (Elser et al. 2000b; Sterner and Elser 2002). Among-taxa variation in nutr ...
Integrating function across marine life cycles
... First, the same genes may be active at 2 or more stages, a force we refer to as genetic/epigenetic integration (recognizing that epigenetic processes that alter gene expression without altering base sequences can also act to integrate phenotypic expression across stages). We distinguish structural f ...
... First, the same genes may be active at 2 or more stages, a force we refer to as genetic/epigenetic integration (recognizing that epigenetic processes that alter gene expression without altering base sequences can also act to integrate phenotypic expression across stages). We distinguish structural f ...
Coping with Changing Northern Environments: The Role of the Stress... Birds and Mammals R B
... Northern environments present ecological and physiological problems for homeotherms that require adaptations to cope with severe and less predictable physical factors while at the same time continuing to have to cope with the biological ones, such as competition and predation. The stress axis plays ...
... Northern environments present ecological and physiological problems for homeotherms that require adaptations to cope with severe and less predictable physical factors while at the same time continuing to have to cope with the biological ones, such as competition and predation. The stress axis plays ...
Sponges - science151
... The correct answer is B. Squids can use their mantle to squeeze water and squirt it out of a structure called a siphon. When they do this, the force from the expulsion of water, causes the squid to move in the opposite direction of the stream of water. ...
... The correct answer is B. Squids can use their mantle to squeeze water and squirt it out of a structure called a siphon. When they do this, the force from the expulsion of water, causes the squid to move in the opposite direction of the stream of water. ...
CHAPTER 7 Mollusks, Worms, Arthropods, Echinoderms
... stars, birds, and humans. Many people make their living raising or collecting mollusks to sell for food. Other invertebrates, such as hermit crabs, use empty mollusk shells as shelter. Many mollusk shells are used for jewelry and decoration. Pearls are produced by several species of mollusks, but mo ...
... stars, birds, and humans. Many people make their living raising or collecting mollusks to sell for food. Other invertebrates, such as hermit crabs, use empty mollusk shells as shelter. Many mollusk shells are used for jewelry and decoration. Pearls are produced by several species of mollusks, but mo ...
Biology Form 3
... ecosystem, habitat or environment. x. Synecology • Study of natural communities (plants and animals) or populations interacting within an ecosystem. xi. Carrying capacity • maximum number of organisms an area can support without being depleted xii. Biome • geographical area with particular climatic ...
... ecosystem, habitat or environment. x. Synecology • Study of natural communities (plants and animals) or populations interacting within an ecosystem. xi. Carrying capacity • maximum number of organisms an area can support without being depleted xii. Biome • geographical area with particular climatic ...
KCSE ONLINE REVISION BIOLOGY NOTES FORM 3 This
... ecosystem, habitat or environment. x. Synecology Study of natural communities (plants and animals) or populations interacting within an ecosystem. xi. Carrying capacity maximum number of organisms an area can support without being depleted xii. Biome geographical area with particular climatic ...
... ecosystem, habitat or environment. x. Synecology Study of natural communities (plants and animals) or populations interacting within an ecosystem. xi. Carrying capacity maximum number of organisms an area can support without being depleted xii. Biome geographical area with particular climatic ...