Why are plants and animals made up of different tissues
- Why are plant and animals made up of different type of tissue ?
- Why are plants and animals made up of different tissues?
Why are plant and animals made up of different type of tissue ?
Plants and animals took up different evolutionary pathway millions of years ago. In the prebiotic earth, the CO2 levels were insanely high, and.and what
Plants are made up of meristematic and permanent tissues and are supported by shoot and root organ systems. Plants are multicellular eukaryotes with tissue systems made of various cell types that carry out specific functions. Plant tissue systems fall into one of two general types: meristematic tissue and permanent or non-meristematic tissue. Cells of the meristematic tissue are found in meristems, which are plant regions of continuous cell division and growth. Meristematic tissue cells are either undifferentiated or incompletely differentiated; they continue to divide and contribute to the growth of the plant.
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Animals are multicellular heterotrophs whose cells lack cell walls. At some point during their lives, all animals are capable of movement, although not all animals have muscles they use for this. In the most commonly encountered animals, the mobile stage is the adult, although some animals such as corals and sponges have sessile or nonmobile adult phases and mobile juvenile forms. Both animal and plant evolutionary history show the development of multicellularity and the move from water to land as well as a secondary adaptation back to water, for example dolphins, whales, duckweed, and elodea. Animals developed external or internal skeletons to provide support, skin to prevent or lessen water loss, muscles that allowed them to move in search of food, brains and nervous systems for integration of stimuli, and internal digestive systems.
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Why are plants and animals made up of different tissues?
Multicellular organisms are organised into increasingly complex parts. In order, from least complex to most complex:.
As such, they are different from unicellular single celled organisms that only consist of a single cell. Like unicellular organisms, there are a wide range of plant and animal multicellular organisms in existence. Compared to unicellular organisms, multicellular are also more complex given that they are made up of different types of specialized cells that carry out different functions. A majority of animal species, plants on land and fungi are multicellular organisms. These range from fungi human beings.