Having a single cell (and thus not divided into cells)
1 When times are good, they exist as one - celled individuals, much like amoebas.
2 The forms most frequently seen by such an examination are one - celled plants.
3 The one - celled animal in its shell is, however, no longer a microscopic grain.
4 Thus we get an immense variety amongst these Protozoa, as the one - celled animals are called.
5 Each one - celled unit remains an animal; it is a colony of unicellulars, not a many-celled body.
6 I remember starting out as a one - celled organism and painfully becoming an amphibian, then an air-breather.
7 Yeast may be introduced as another family of one - celled plants, but one which is most useful.
8 It is the type to which a moving close colony of one - celled microbes would soon come.
9 We have still many loose associations of one - celled animals in nature, illustrating the approach to a community life.
10 First we have loose associations of one - celled plants in a common bed, then closer clusters or many-celled bodies.
11 They are clear little, one - celled creatures with a lot of hairs or cilia with which they scoot around.
12 This is a small one - celled microscopic plant having a blood red color in one stage of its existence.
13 Compare the conditions surrounding a one - celled animal, living in water, to the conditions surrounding the cells in the body.
14 In the family called Hymenomycetes there are mixed with these, and closely packed together, one - celled sterile structures named cystidia.
15 On the collar round the valve there are in the place of glands numerous one - celled papillae, having very short footstalks.
16 If plants and animals all developed from a one - celled animal, such as the amoeba, why did not the amoeba develop?
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