Answer:
Fungi
Explanation: Fungi reproduce by spores, they are enclosed by cell walls, they have a nucleus as they are eukaryotic, and they are heterotrophs as they do not contain chloroplasts
<span>The words are synonyms, if you look it up in a dictionary you can find that a fetus is "an unborn or unhatched offspring of a mammal, in particular an unborn human more than eight weeks after conception". However, in organisms that reproduce sexually, an embryo develops from a zygote, the single cell resulting from the fertilization of the female egg cell by the male sperm cell. The aforementioned zygote possesses half the DNA of each of its two parents. Moreover, for plants, animals, and some protists, the zygote will begin to divide by mitosis to produce a multicellular organism, which in turn will create and embryo.</span>
<span>The production of vowel/consonant combinations at 4 to 6 months is called babbling. </span><span>The period from the 4-th to the 6-th month is called the expansion stage. In this stage the infant is "playing" with the speech mechanism, includes productions of growls, squeals, yells, and raspberries. Some CV like combinations and vowel sounds may be produced.</span>
A, because, the entire point of his theory was to prove that changes don't happen spotaneously!