What are the different zones of a tree when analyzing a cross section of it from the outside to the inside? I - The first noticeable zone is the b...
What are the different zones of a tree when analyzing a cross section of it from the outside to the inside?
I - The first noticeable zone is the bark, formed by dead matter, which is divided into outer bark and inner bark (phloem).
II - Following inwards is the inner bark, composed of cells that transport elaborated sap.
III - Then comes the cambium or change, which corresponds to the cell-generating tissue, where the tree grows. Inwards, it forms the xylem and outwards, it forms the phloem.
IV - In the xylem, we can distinguish the sapwood outwards, with cells that function to support and transport water and nutrients.
a) I, II, III, IV
b) I, III, II, IV
c) II, I, III, IV
d) II, III, IV, I
I - The first noticeable zone is the bark, formed by dead matter, which is divided into outer bark and inner bark (phloem).
II - Following inwards is the inner bark, composed of cells that transport elaborated sap.
III - Then comes the cambium or change, which corresponds to the cell-generating tissue, where the tree grows. Inwards, it forms the xylem and outwards, it forms the phloem.
IV - In the xylem, we can distinguish the sapwood outwards, with cells that function to support and transport water and nutrients.
a) I, II, III, IV
b) I, III, II, IV
c) II, I, III, IV
d) II, III, IV, I
💡 1 Resposta
Ed 
A alternativa correta é a letra B) I, III, II, IV. A sequência correta é: I - A primeira zona notável é a casca, formada por matéria morta, que é dividida em casca externa e casca interna (floema). III - Em seguida, vem o câmbio ou zona de mudança, que corresponde ao tecido gerador de células, onde a árvore cresce. Para dentro, forma o xilema e para fora, forma o floema. II - Na sequência, vem o floema interno, composto por células que transportam a seiva elaborada. IV - No xilema, podemos distinguir a madeira de lei para fora, com células que funcionam para suportar e transportar água e nutrientes.
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