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torisob [31]
2 years ago
6

How does the structure of xylem relate to its function

Biology
1 answer:
denpristay [2]2 years ago
5 0

Answer:

They lose their end walls so the xylem forms a continuous, hollow tube. They become strengthened by a substance called lignin . Lignin gives strength and support to the plant.

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if there are 1000 units of energy avalaible at the producer level of energy pyramid, approximately how many units of energy are
iVinArrow [24]

Answer:

1 unit

Explanation:

Each tropic level gets 10% of the energy from the last level it consumed.

6 0
3 years ago
A heterozygous gray (two genes are involved) cat is crossed with a cat that is heterozygous for these two genes. What is the pro
romanna [79]

Answer:50% chance, and the genotype would be heterozygous

Explanation:

G=gray r=black

      G     r

G   GG   Gr

r     Gr    rr

3 0
2 years ago
In horses, black color (B) dominates chestnut color (b). The trotting gait (T) dominates the pacing gait (t). A cross is made be
Gre4nikov [31]

Black B is dominant over chestnut color b and trotting gait T is dominant over pacing gait t. The answer is 100%. Since all offspring have at least one dominant black hair allele that overwhelms the brown hair allele, all offspring are expected to have black hair.

Phenotype refers to the physical color of a horse's coat or the way genes are expressed. Phenotype II FMF in Familial Mediterranean Fever is the onset of amyloidosis prior to the onset of his FMF with typical attacks or is an isolated finding in members of the FMF family.

White horses have pink skin. White fur mane tail, and hooves. and dark brown eyes. White is the dominant trait W at the white locus. White horse genotype must be heterozygous dominant We. Homozygous dominant because WW is more likely to cause early embryonic loss. Scientists conclude that horses were first domesticated 6,000 years ago in the western part of the Eurasian steppe, in what is now western Ukraine and Kazakhstan.

Learn more about Horse phenotype here:-brainly.com/question/26406162

#SPJ1

7 0
1 year ago
Which is NOT found in a DNA molecule?
IrinaK [193]
Water molecules are not found in a dna molecule. 
7 0
3 years ago
When Surita sees a man walking around the shopping mall in December and notices that he is very robust, has a long white beard,
laiz [17]

Answer:

The answer is letter A. automatic

Explanation:

When Surita sees a man walking around the shopping mall in December and notices that he is very robust, has a long white beard, and wears thin rimmed eyeglasses, she immediately assumes that he is a Santa Claus actor taking a break; she is engaging in a(n) __AUTOMATIC_______ process.

5 0
3 years ago
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