BIOLOGY 2 (SB025) ASSIGNMENT 2022/2023 - BIO DIGITAL SCRAPBOOK: BIODIVERSITY & ECOLOGY NAME : DARSSIREANNA A/P REUBEN DEVADASON MATRIC NUMBER : MS2213104684 PRACTICUM : H1TO3B LECTURER'S NAME: MADAM TAMILARASI RAJARAM
ECOSYSTEM DIVERSITY IS ONE OF THE THREE TYPES OF BIODIVERSITY. BRIEFLY EXPLAIN ON THE ECOSYSTEM DIVERSITY AND GIVE THREE EXAMPLES OF TERRESTRIAL ECOSYSTEMS. Ecosystem diversity refers to the big variety of enviroments produced by the interplay of the living organisms such as animal and plants and non-living world such as earth forms,soil,rocks and water and its impacts on humans and enviroment. Three examples of terrestrial ecosystem is tundra, tropical rainforest and grassland. Tundra Tropical rainforest Grassland
CONSTRUCT A FOOD CHAIN WHICH CONSISTS OF FOUR TROPHIC LEVELS BASED ON YOUR OWN OBSERVATION ON A GRASS FIELD ECOSYSTEM IN KMPP. Grass Caterpillar Frog Crow Food chain observed on grass field ecosystem in KMPP
Trophic level Domain Kingdom Phylum Genus Species Unique characteristic Level 1 Producer Autotroph (Grass) Eukarya Plantae Anthophyta Zoysia Zoysia japonica Produce seeds that are monocotyledonous, which means that each seed produces only one leaf sprout. Level 2 Primary Consumer Herbivore (Caterpillar) Eukarya Animalia Arthropoda Papilio Papilio machaon The head has six small eyes (stemmata) on each side that function in light detection but not in image formation. Level 3 Secondary consumer Carnivore (Frog) Eukarya Animalia Chordata Ranidae Ranidae linnaeus Frogs have protruding eyes, no tail, and strong, webbed hind feet that are adapted for leaping and swimming Level 4 Tertiary consumer Top carnivore (Crow) Eukarya Animalia Chordata Corvus Corvus corax Crows have a curved, large, and strong bill, which helps them hold onto prey and consume diverse types of foods. FOR THE ABOVE FOOD CHAIN, CLASSIFY THE ORGANISMS AT EVERY TROPHIC LEVEL INTO TAXONOMIC GROUPS OF DOMAIN, KINGDOM, PHYLUM, AND GENUS/SPECIES. IDENTIFY AT LEAST ONE UNIQUE CHARACTERISTIC OF EACH ORGANISM.
A FOOD WEB MAY CREATE A MORE STABLE GRASS FIELD ECOSYSTEM. EXPLAIN ON THIS STATEMENT WITH A POSSIBLE EXAMPLE OF FOOD WEB (WHICH CONSISTS OF 3-5 FOOD CHAINS) FOR THE GRASS FIELD ECOSYSTEM (PROVIDE ALSO A DIAGRAM OF THE FOOD WEB). A food web is a network of food chains that are interconnected at various trophic levels and forms a number of feeding connection amongst members of a biotic community. Food web is more stable because a certain predator has a choice to feed on different type of prey. Therefore,Food webs provide an alternative pathway of food availability and provide stability to the grass field ecosystem.
POSSIBLE EXAMPLE FOOD WEB Grasshopper Spider Praying mantis Grass Caterpillar Frog Crow Field mice Garter snake Eagle
EXPLAIN THE EFFECTS OF HERBICIDES ON THE GRASS FIELD ECOSYSTEM. SUGGEST WAYS TO PREVENT THIS ENVIRONMENTAL ISSUE. Effect of herbicides Less carbon fixation occur in the ecocsystem Food source for herbivores reduce Soil fertility will reduce which can harm the growth of plants The number organisms will be reduced
WAYS TO PREVENT THIS ENVIRONMENTAL ISSUE. There are many ways to prevent this issue by using natural ways to kill or reduce growth of weeds instead of using herbicides -Thank youThe end 1.CUT GRASS MANUALLY 2.USE ORGANIC HERBICIDES 3.AWARENESS CAMPAIGN