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olchik [2.2K]
3 years ago
10

Some traits are similar between different species, and taxonomists describe some of those similarities as “plesiomorphic.” By th

is term, taxonomists mean _ The trait has been changed in one or the other of the species since the time that they last shared an ancestor in common The trait has remained the same in one or the other of the species since the time that they last shared an ancestor in common The trait is not dominant, and will eventually disappear from the population The trait is interfering with reproductive success, and will disappear from the population very soon
Biology
1 answer:
padilas [110]3 years ago
4 0

Answer:

The correct answer is the second statement.

Explanation:

Plesiomorphic characters or the traits refers to those that are shared by various clades in a specific group. These traits share a common ancestor, they have been the same in each of the species of the group and also in other groups. Like hair is a specific feature, which is shared by all the mammals from their initial stage, however, subsequent evolution has produced many clades afterward.

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Mention the 10 Phylla of plants.<br> .
victus00 [196]

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3. Phylum Bryophyta- Non Vascular Plants

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Common Name: Lycophytes

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5. Phylum Pterophyta- Vascular Plants (Seedless Vascular Plants)

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6. Phylum Ginkgophyta- Vascular Plants (Seed Plants: Gymnosperms)

Common Name: Ginkgo

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7. Phylum Cycadophyta- Vascular Plants (Seed Plants: Gymnosperms)

Common Name: Cycads

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8. Phylum Gnetophyta- Vascular Plants (Seed Plants: Gymnosperms)

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6 0
3 years ago
How does the experiment relate to what you've learned about submersible technology suck as submarines and ROV's?
Len [333]

Answer:

A submersible technology designed to operate the  submarines underwater.

Explanation:

We have learned about submersible technology suck as submarines and ROV's is that pumping system is used to remove water from the submarines and ROV's in order to make it lighter. A submersible is designed to push water to the surface. When a pressure switch is turned on, the impeller started to spin drawing water into the pump. The water is then pushed through the pump and brought it to the surface. Due to removal of water, the submarines and ROV's become lighter and they will come to the surface of water.

3 0
3 years ago
100 individuals whose genetic makeup is composed of 20% recessive alleles join an established population. The established popula
NeX [460]

Answer:

population = 600

heterozygotes = 2pq

The homozygous recessive percentage = q^{2}

q = 0.1

Solve for q:

∴ q = \sqrt{q}

∴ q = \sqrt{0.10}

∴ q = 0.316

solve for p:

for p + q = 1,

thus p = 1 – q = 1 – 0.316 = 0.684  

The heterozygotes = 2pq

2pq =  2 x 0.316 x 0.684 = 0.432

600 x 0.432 = 259.2  = 259

so,  the population reaches Hardy Weinberg equilibrium, 259 of indviduals should be heterozygous for this trait.

Hence, the correct answer is 259 .

4 0
3 years ago
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