BBC - GCSE Bitesize Science - Microscopic life in water : Revision, Page 2
At the microscopic scale, herbivory includes the bacteria and fungi that cause The age-old relationships between plants and pollinators is. Bacteria; Archaea; Fungi; Protists; Viruses; Microscopic Animals Microscopic plants are also considered microbes, though they don't generally live on or Yeasts live as small, individual cells, between the size of bacteria and our own cells. Microscopic organisms. meaning drifting plants); protozoa, which are single celled animals also known as zooplankton (also Bacteria are the smallest micro-organisms, ranging from between and mm in size.
Under a microscope, plant cells from the same source will have a uniform size and shape.
Aquatic food chains
An animal cell also contains a cell membrane to keep all the organelles and cytoplasm contained, but it lacks a cell wall. Microscopically, animal cells from the same tissue of an animal will have varied sizes and shapes due to the lack of a rigid cell wall.
Vacuoles Both plant and animal cells contain vacuoles, which are organelles that store waste materials, nutrients and water. The difference between plant and animal vacuoles is that plants have one large vacuole enclosed by a membrane and animal cells have many, smaller vacuoles. Sciencing Video Vault Chloroplasts Chloroplasts are required to carry out photosynthesis.
Because only plant cells perform photosynthesis, chloroplasts are found only in plant cells. They are green in color under a microscope because they contain chlorophyll, a naturally green pigment.
One of the quickest ways to differentiate between a plant and animal cell is to look at the unstained cell under the microscope.
If green organelles are present, it is a plant cell. Centriole A centriole is a cell structure found in most animal cells.
What is the relationship between the microscopic animals and plants? | Yahoo Answers
Molds and mushrooms are actually the fruiting bodies of fungi that live as long, microscopic fibers. Fungi are important decomposers in most ecosystems. Their long, fibrous cells can penetrate plants and animals, breaking them down and extracing nutrients. Several species of fungi, mostly yeasts, live harmlessly on the human body. Protists Protists are single-celled or multi-cellular, microscopic organism with cell nuclei, and which aren't plants, animals, or fungi.
Multi-cellular protists live as colonies, without specialization. They have many ways of moving around, including flagella, cilia, and amoeboid action.
They have multiple ways of reproducing, and some have quite complex life cycles. But they have membrane-wrapped organelles and an outer cell membrane.
Several parasitic protists can cause deadly diseases, including malaria, amoebic dysentery, and giardia. But the human body is also home to beneficial and neutral protists. Viruses Viruses are microscopic particles made of nucleic acids, proteins, and sometimes lipids. Viruses are specialized to infect a certain host, and often a specific cell type within that host.Microorganisms Size Comparison
HIV, for example, infects a certain type of immune cell in primates. Other viruses infect plants, animals, bacteria, or archaea.
Plant/Animal Relationships - Brooklyn Botanic Garden
Since the ability to reproduce is often listed as a requirement for life, some consider viruses to be non-living. Regardless, viruses are an important part of all ecosystems, including the human body.
In our bodies, viruses infect not only our cells, but also other microbes that live in our bodies. Viruses that infect bacteria are called baceriophage. Viruses that infect archaea come in unusual shapes: Microscopic Animals Microscopic animals are also counted as microbes. Animals are multicellular, with different types of cells that carry out specialized functions. Their cells have membrane-wrapped compartments, including nuclei. Flexible membranes enclose each cell, but animal cells do not have rigid cell walls.
In contrast to plants, they cannot make their own food.