1) Ecology is the scientific study of the distribution and abundance of organisms, the interaction among organisms, and the interactions between organisms and their abiotic environment. Ecologists try to understand the inner workings of natural ecosystems and the species they contain.
2) Ecosystems have no particular size. An ecosystem can be as large as a desert or a lake or as small as a tree or a puddle. If you have a terrarium, that is an artificial ecosystem. The water, water temperature, plants, animals, air, light and soil all work together.
3) The biotic factors of an ecosystem include all the populations in a habitat, such as all the species of plants, animals, and fungi, as well as all the micro-organisms. Also recall that the nonliving factors are called abiotic factors. Abiotic factors include temperature, water, soil, and air.
4) For aquatic ecosystems, these factors include light levels, water flow rate, temperature, dissolved oxygen, acidity (pH), salinity and depth.
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Answer:
Grass and tree
A producer is a living thing that makes its own food. All food chains begin with producers.
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Glycogen is found in animal cells and starch is found in plant cells.
Glycogen is a polysaccharide of glucose. It is used to store energy in animal cells. The linear chains in a glycogen molecule are linked by α(1,4) glycosidic bonds while the branched chains are linked by α(1,6) glycosidic bonds. Glycogen breaks into glucose to provide energy to the body when needed.
Starch is the polysaccharide of plants and is made up of glucose units. They are joined by glycosidic bonds. It is found in most plant-based foods and is a common carbohydrate in the human diet. It has two types of molecules helical amylose and branched amylopectin. Amylose forms 20-25% of starch whereas amylopectin forms 75-80% of it.
Learn more about polysaccharides here: brainly.com/question/14911256
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Ftsz, mreb, and cres ,proteins regulate the shape and structure of bacterial prokaryotic cells. These proteins are homologous to the Cytoskeleton in eukaryotes. Homologous meaning they have the same evolutionary origin but not necessarily having the same function. Cytoskeleton forms a framework for the movement of organelles around the cytoplasm, most organelles are attached to the cytoskeleton.