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What are protozoans?
Protozoans are unicellular, single celled micro organisms. Usually by themselves, but they sometimes form colonies. These organism get their food from their surroundings, and tend to live in a marine environment or fresh water. The official definition of the word protozoans is "a single-celled microscopic animal of a group of phyla of the kingdom Protista, such as an ameba, flagellate, ciliate, or sporozoan."
How are single- celled organisms similar and different to multi-celled organisms?
Cells that are part of a multi-cellular organism typically have the same metabolic functions as single-celled organisms, however differences exist. Multicellular cells will have a specialized function, typically do not have to independently gather food and will express target genes selectively rather than all of the genes necessary for survival that a single-celled organism might express.
Explain 2 features of bacteria?
1.they do not have a nucleus or organelles 2. they are prokaryotic cells that absorb nutrients from the environment or produce their own nutrients, through light energy or other processes.
Microscopic single celled organism that has no defined memebrane bound nucleus would fit into which 2 kingdoms?
Archaebacteria and Eubacteria
What is the specific name of a cell having more than one nucleus found in animals?
yes. If we consider the way the organisms are classified, i.e. their Kingdom (out of the 5 different types), some have a nucleus, some don't, some have many nuclei. i) Monera --> single celled microorganisms with no nucleus ii) Proticista --> single celled miroorganisms with nucleus, usually one, though some have more than one iii) Fungi --> thread-like hyphae with more than nucleus iv) Plants --> multicellular organisms which make their own food, usually with only one nucleas v) Animal --> multicellular organisms which do not make their own food, usually with only one nucleas
How do single celled organisms repraduce?
Single celled organisms reproduce asexually, they can either reproduce via sharing DNA or splitting to 2.
Is an anteater a single-celled organism?
No. Single-celled organisms are too small to see without a microscope. An anteater can be mroe than 2 metres head to tail.
How do many celled organisms reproduce?
2
How many parents are there in sexual reproduction in bacteria?
most bacteria (and single celled organisms at that) are asexual in that they reproduce by themselves. There are some bacteria with 2 parents tho
How do parasites vary?
Parasites are of different types and range in size from tiny, single-celled, microscopic organisms (protozoa) to larger, multi-cellular worms (helminths) that may be seen without a microscope. The size ranges from 1 to 2 µm (micrometers) to 2 meters long.
What are protozoans?
Protozoans are unicellular, single celled micro organisms. Usually by themselves, but they sometimes form colonies. These organism get their food from their surroundings, and tend to live in a marine environment or fresh water. The official definition of the word protozoans is "a single-celled microscopic animal of a group of phyla of the kingdom Protista, such as an ameba, flagellate, ciliate, or sporozoan."
What 2 creatures never sleep?
actually, its not only two creatures... reptiles, fish, and single celled organisms never sleep but they might go through times where they are inactive
How are single- celled organisms similar and different to multi-celled organisms?
Cells that are part of a multi-cellular organism typically have the same metabolic functions as single-celled organisms, however differences exist. Multicellular cells will have a specialized function, typically do not have to independently gather food and will express target genes selectively rather than all of the genes necessary for survival that a single-celled organism might express.
Which term describes organisms that are made up one cell?
A unicellular organism, also known as a single-celled organism, is an organism that consists of only one cell, in contrast to a multicellular organism that consists of multiple cells.Prokaryotes, most protists, and some kinds of fungi are unicellular.
What is unicellular and multicellular oragism?
uni-cellular means single celled ( uni itself means singular ) organisms . And they are also of two types - 1. eukaryotic cells 2. prokaryotic cells . While multi-cellular are those which comprise of many single cells which are joined together and they also work together to keep the organism alive.
In what ways if any does a single-celled organism differ from its parent?
A cell splits into 2 different cells. In other words, they are the same.
Name 2 advantages that a multi-celled tree has over a single-celled algae?
1. if one cell dies, it wont 2. the cells are specialized and can do more of that thing
