Life form

As with other life forms in biology, plant life can be studied at a variety of levels, from the molecular, genetic and biochemical level through to organelles, cells, tissues, organs and the biodiversity of whole plants.
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As with other life forms in biology, plant life can be studied from different perspectives, from the molecular, genetic and biochemical level through organelles, cells, tissues, organs, individuals, plant populations, and communities of plants.
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In very simple life forms, such as bacteria, genes are written into the organism's hereditary material as continuous strings of information, recording genetic information in the four-letter base-pair AGCT alphabet of DNA.
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It is a fact that major life forms now on earth were not at all represented in the past. There were no birds or mammals 250 million years ago. It is a fact that major life forms of the past are no longer living.
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And these services are provided for all life forms?
That's true, although oftentimes when people think of ecosystem services they are specifically referring to those that are supplied to humans, ...
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Microsporidia: Single-celled life forms, related to Protozoa.
Mite: Any of several minute invertebrates belonging to the phylum Arthropoda, class Arachnida.
Morphology: Form or structure of an organism.
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The organisms living today that are most similar to ancient life forms are the archaebacteria (the archaea in modern usage). This group is today restricted to marginal environments.
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paleontology: the science of locating, cataloging, and interpreting the life forms that existed in past millennia.
pancreas: a large, glandular organ lying near the stomach that produces many of the enzymes used to digest food.
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Up into the 19th century it was commonly believed that life forms can appear spontaneously under certain conditions (see abiogenesis).
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Cenozoic A geological era beginning 65 million years ago and extending to the present, characterized by major adaptive radiation of specialized life forms and formation of biomes.
central bud The main bud in a cluster located at one position.
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Without water, most life forms would be unable to sustain themselves and the Earth would be a barren, desert-like place. Although water temperatures can vary widely, aquatic areas tend to be more humid and the air temperature on the cooler side.
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