California is very well known for fires so in this case I'd say go with the answer of "<span>SEROTINOUS CONES" which are special "seeds" to easier put it that only spread with the aid of fire. These cones are spread by fire/wind/gravity as time goes by the trees will grow back as a result.
Another well said answer can be secondary succession. Secondary succession "</span>reduces an already established ecosystem <span>to a smaller population of species" or series of changes that take place after disasters on forests/general like fires.</span>
Answer:
If a species has a number of chromosomes 2n = 18, then its somatic cells have 16 autosomes.
Explanation:
Somatic cells are diploid, that is, they have the complete chromosomal charge, and it is represented as 2n. In organisms with sexual reproduction the chromosomes are divided into autosomes and sex chromosomes, which are 2.
<u>If a species has a number 2n = 18, it means that its somatic cells have 18 chromosomes, of which 16 are autosomes</u> and 2 are sex chromosomes. Autosomes contain the structural and functional characteristics of an individual, while the sex chromosomes determine sex.
Explanation:
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They had to see if this new idea fit the evidence they found in their experiments!
It is true that the collecting tubules merge to form the ducts of Bellini.
Papillary ducts or collecting ducts or the renal collecting tubules were formerly known as the ducts of Bellini. They are structures which are present in the distal portion of the collecting ducts in our kidneys.
These ducts are formed when collecting tubules merge. They receive the renal filtrate, which is the precursor to urine, from a number of medullary collecting ducts and it empties into a minor calyx. These ducts regulate the reabsorption of water and also balances the electrolytes.
Hence option a is the correct option.
To learn more about collecting tubules here
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