Answer:
specular reflection
Explanation:
Light reflecting off a smooth surface, where all of the light is reflected in the same direction, is called specular reflection.
Answer:
They differ in sex chromosomes.
Explanation:
There are two types of chromosomes; autosomes(22 pairs) and sex chromosomes(1 pair).
While all the autosomes are same in the case of both male and female humans, sex chromosomes differ.
Human male has one X and one Y chromosome, while human female has two X chromosomes. Y is roughly shorter by half than the X chromosome.
Natural organic compounds produced by plants that are poisonous, particularly to insects, are known as <u>Botanicals</u>.
Botanical insecticides are naturally occurring chemicals (insect toxins) extracted or derived from plants or minerals. They are also called natural insecticides. Organic gardeners will choose these insecticides, in some cases, over synthetic organic materials.
Pesticides are substances that are meant to control pests. This includes herbicide, insecticide, nematicide, rodenticide, bactericide, insect repellent, fungicide, and lampricide.
Examples of plants that are sources of commercially available botanical pesticides include pyrethrum (Tanacetum cinerariifolium), neem (Azadirachta indica), sabadilla (Schoenocaulon officinale), tobacco (Nicotiana tabacum) and ryania (Ryania speciosa)
To learn more about natural insecticides, here
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Answer:
6 chromosomes each
Explanation:
Meiosis is the cell division that results in daughter cells with a reduced number of chromosomes (by half). Meiosis is used only by sexually-reproducing organisms to produce gametes. Since meiosis reduces the chromosomal number, it occurs in a two-step division process viz: Meiosis I and Meiosis II.
Meiosis I involves separation of homologous chromosomes (similar but non-identical chromosomes received from each parent). In the Anaphase stage of meiosis 1, each homologous pair of chromosomes that makes the organism diploid (2n) is separated. Hence, the resulting cells of meiosis I will have a reduced chromosome number (haploid,n).
In this case of a diploid frog with 12 number of chromosomes. If a germline cell or reproductive cell divide by meiosis, in meiosis I, each pair of the 6 pairs of homologous chromosomes of the frog will separate into opposite cells. Hence, at the end of meiosis I, each daughter cell will have 6 chromosomes in a haploid state.
In meiosis II, sister chromatids (replicated chromosomes) separate instead. Each separated chromatid becomes a full chromosome in each gamete.
Answer:
Bacteria grows very fast.
Explanation:
There are 1,000,000 bacteria living in a 5 centimeter square means that each centimeter square has 200,000 of bacteria. This figure shows that the bacteria grows rapidly and having very large population in a very little space due to its smaller size. It grows in colonial form and have a very short life cycle. It reproduce through asexual reproduction which is binary fission in which one bacterial cell divides into two cells.
