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2. Learn About Animal Habitats: A Free Downloadable Worksheet - AOL

   www.aol.com/learn-animal-habitats-free...

   Just like humans have homes, animals also have places they live. The places where animals live are called habitats. Also, just as humans are all different and therefore live in different types of ...

3. Plant cell - Wikipedia

   en.wikipedia.org/wiki/Plant_cell

   Structure of a plant cell. Plant cells are the cells present in green plants, photosynthetic eukaryotes of the kingdom Plantae.Their distinctive features include primary cell walls containing cellulose, hemicelluloses and pectin, the presence of plastids with the capability to perform photosynthesis and store starch, a large vacuole that regulates turgor pressure, the absence of flagella or ...

4. File:Simple diagram of plant cell (numbers).svg - Wikipedia

   en.wikipedia.org/wiki/File:Simple_diagram_of...

   English: A simple diagram of a plant leaf cell, labelled with numbers. It shows the cytoplasm, nucleus, cell membrane, cell wall, mitochondria, permanent vacuole, and chloroplasts. Note going down the left the numbers are not sequential, this is to match the numbering on others in the series.

5. List of organisms by chromosome count - Wikipedia

   en.wikipedia.org/wiki/List_of_organisms_by...

   The list of organisms by chromosome count describes ploidy or numbers of chromosomes in the cells of various plants, animals, protists, and other living organisms.This number, along with the visual appearance of the chromosome, is known as the karyotype, [1] [2] [3] and can be found by looking at the chromosomes through a microscope.

6. Unicellular organism - Wikipedia

   en.wikipedia.org/wiki/Unicellular_organism

   Eukaryotic cells contain membrane bound organelles. Some examples include mitochondria, a nucleus, or the Golgi apparatus. Prokaryotic cells probably transitioned into eukaryotic cells between 2.0 and 1.4 billion years ago. [31] This was an important step in evolution. In contrast to prokaryotes, eukaryotes reproduce by using mitosis and meiosis.

7. Kingdom (biology) - Wikipedia

   en.wikipedia.org/wiki/Kingdom_(biology)

   The classification of living things into animals and plants is an ancient one. Aristotle (384–322 BC) classified animal species in his History of Animals, while his pupil Theophrastus (c. 371 –c. 287 BC) wrote a parallel work, the Historia Plantarum, on plants. [7]