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Anon25 [30]
3 years ago
10

The graph depicts the velocity and times of Elan and Anna during a race

Biology
2 answers:
Zina [86]3 years ago
8 0
From 6 to 8 seconds, Elan's acceleration was greater than Anna's acceleration.
Anarel [89]3 years ago
3 0
The anwser is c hope this helps

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What does a centromere hold together?
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Structure in a chromosome that holds together the two chromatids

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Endometriosis occurs when endometrial tissue, which normally grows inside the uterus, grows outside the uterus. Based on the mod
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Endometrosis could negatively affect the probability of gestating an embryo if they are growing inward. The affection of the fallopian tubes and the uterus could alter the implantation or even generate complications for the embryo during pregnancy.

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Which series lists the stages of development in the gestational process in order, from beginning to end?
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Place the following molecules in order starting from the smallest
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4 0
3 years ago
Which statements about the phylogenetic tree are true?
Alex777 [14]

Image is not avilable fo rthe question. The image is attached below:

The phylogenetic tree shown here displays the major clades of chordates.

Which statements about the phylogenetic tree are true?

A) Organism (c) is a common ancestor of lampreys and lungfishes.

B) Birds and ray-finned fishes have a notochord and jaws.

C) Lancelets and coelacanths are more closely related than are chimaeras and coelacanths.

D) Mammals and turtles are more closely related than are lungfishes and sharks.

E) Rays and frogs have vertebrae.

F) Descendants of organism (d) have limbs with digits.

G) Hagfishes, lungfishes, and frogs have lobed fins.

H) Organism (a) is a common ancestor of all chordates.

Answer:

B, D, F, E, H.

Explanation:

A phylogenetic tree is a diagram representing evolutionary relations between species. Phylogenetic trees are not conclusive evidence nor theories. In a phylogenetic tree the pattern of branching illustrates how organisms or other groups developed from a set of similar ancestors.

Some of the examples of phylogenetic tree are as following:

  • A notochord and jaws includes in birds and ray-finned fishes.  
  • Mammals and tortoises are closer to one another than lungfish and sharks are.  
  • Organic Descendants (d) have wings.  
  • Rays and frogs are columned vertebrally.  
  • A shared ancestor of all chordates is the organism (a).

Hence, the true options are B, D, F, E, H.

5 0
3 years ago
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