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ValentinkaMS [17]
4 years ago
5

True or false: Mollusks are more closely related to roundworms than to annelids.

Biology
1 answer:
erik [133]4 years ago
8 0

Answer:

False

Explanation:

Annelids are actually more closely related to species within the mollusk phylum than they are to their worm cousins in the flatworm and roundworm phyla. Although they look quite different on the outside, mollusks and annelids share a more recent common ancestor than roundworms and annelids.

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The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed three-chambered hear
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Answer:

C. homoplasies

Explanation:

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Therefore, the four-chambered heart is a homoplastic feature that developed independently in mammals and birds to meet their higher demand for oxygen to maintain the constant body temperature. The four-chambered heart keeps the deoxygenated and oxygenated blood separate to efficiently supply the oxygen-rich blood to cells.

4 0
4 years ago
Element
AnnyKZ [126]

Answer:

1A 2A            3A 4A 5A 6A 7A 8A

(1) (2)            (13) (14) (15) (16) (17) (18)

3B  4B 5B 6B 7B — 8B — 1B 2B      

(3)  (4) (5) (6) (7) (8) (9) (10) (11) (12)      

1 1                  2

2 3 4            5 6 7 8 9 10

3 11 12            13 14 15 16 17 18

4 19 20 21  22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

5 37 38 39  40 41 42 43 44 45 46 47 48 49 50 51 52 53 54

6 55 56 57   72 73 74 75 76 77 78 79 80 81 82 83 84 85 86

7 87 88 89   104 105 106 107 108 109 110 111 112 — 114 — — — —

6      58 59 60 61 62 63 64 65 66 67 68 69 70 71

7      90 91 92 93 94 95 96 97 98 99 100 101 102 103

Explanation:

4 0
3 years ago
You have to put them in order
Liula [17]
Here is the correct sequence:

<span>B) The scientist puts the bacteria in three different environments: 
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</span><span>F) The scientist finds that the high-salt environment has the most bacteria.
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<span>E) The scientist publishes his report in a scientific journal.</span>
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