UNIQUE AND THREATENED BIODIVERSITY The patchwork of isolated islands‚ the tropical location of the country‚ and the once extensive areas of rainforest have resulted in high species diversity in some groups of organisms and a very high level of endemism. There are five major and at least five minor centers of endemism‚ ranging in size from Luzon‚ the largest island (103‚000 km²)‚ which‚ for example‚ has at least 31 endemic species of mammals‚ to tiny Camiguin Island (265 km²) speck of land north
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a. Round 1 = white bead representing lichens. Our laboratory reading for the experiment stated that lichens are instrumental in the development and needs for all species. The text stated‚ “Lichens play a part in the creation of soils from which plants can obtain nutrients. Like all living organisms‚ lichens need nutrients and energy to grow. Nutrients may be obtained from the air including dust‚ water‚ and from the substrate organisms grows on obtaining energy through photosynthesis‚ which is
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BIODIVERSTY the term "biodiversty" has been derived from ’bio’ and ’diversity’."Diversity" means variety within a species and among species.Biodiversity is a measure of the variety of organisms present in different ecosystem. Diversity of plants and animals the diversity of plants ’(flora) and animals’(fauna)’ ia region depends on climate‚altitude‚soils and the presence of other species.it is the richest in the tropics. biodiversity found on earth today is the result of 4billion years of
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the dead pine trees that have fallen. Observe the young hardwoods growing up beneath the still living pines). 2. The raspberry thickets growing in the sun lit forest sections beneath the gaps in the canopy generated by wind-thrown trees. Raspberry plants require sunlight to grow and thrive. Beneath the dense shade canopy particularly of the red pines but also beneath the dense stands of oaks‚ there is not sufficient sunlight for the raspberry’s survival. However‚ in any place in which there has been
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J.‚ & McNaughton‚ S. J. (1998). Ungulate effects on the functional species composition of plant communities: herbivore selectivity and plant tolerance. The Journal of wildlife management‚ 1165-1183. Horsley‚ S. B.‚ Stout‚ S. L.‚ & DeCalesta‚ D. S. (2003). White-tailed deer impact on the vegetation dynamics of a northern hardwood forest. Ecological Applications
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beautiful flowers in god’s creation‚ comprise a unique group of plants. Taxonomically‚ they represent the most highly evolved family among monocotyledons with 600-800 genera and 25‚000-35‚000 species . Orchids exhibit an incredible range of diversity in size‚ shape and colour of their flowers. They are most pampered of the plants and occupy top position among all the flowering plants valued for cut flower production and as potted plants. They are known for their longer lasting and bewitchingly beautiful
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the fishes is depends on the quality and quantity of food that they eaten (Shelby D. Gerking‚ 1994). By identifying the species of food in stomach content of the fishes‚ it will be described the food habit of the fishes. Some fishes feed directly on plants (eg: phytoplankton or pondweeds or both) and some fishes fed on other animals‚ where the word of ‘’predator’’ usually implies on them (Shelby D. Gerking‚ 1994). However‚ Shelby D. Gerking (1994) also state that some fishes prefer phytoplankton and
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ever existed since the beginning of time‚ 98% of them are extinct (Facts). There are an estimated 5-10 million species that exist currently and only 1.5 million have been identified (Sherry‚ 2). Scientists classify species into six different groups: plants‚ animals‚ insects‚ algae‚ fungi‚ and microorganisms (Today’s Situation). In the tropical rainforest alone‚ most species are disappearing at the rate of 1% a year (Sherry‚ 6). If the current trend continues‚ at least 50% of all currently existing species
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humans burn grasslands and cut down trees kind of like slash and burn process to plant crops. An interesting fact about the Savanna biome is that its soil is very diverse every type of soil used for agriculture has been found there. Due to the prolonged dry and wet climate the availability of food
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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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