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natita [175]
3 years ago
14

What trait most likely evolved in ferns that was not

Biology
2 answers:
goldenfox [79]3 years ago
7 0

Answer: vascular tissues

Explanation:

Maslowich3 years ago
3 0

Answer: vascular tissues

Explanation:

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What is the answer for this question please help
Nezavi [6.7K]
The plant belongs to the group Angiosperm. Vascular plants with seeds could be cycads, Gingko, conifers, or angiosperms. Among those groups, only angiosperms have flowers.
The plant they found have colored, scented flowers which suggests that it could be pollinated by insects or birds. Colored flowers attract birds and insects. Color serves as a guiding mark. Talking of scent, it does not attract bird, but attracts insects. It also serves as the guiding mark.
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To measure the population of lake trout in a 250-hectare lake, 400 individual trout were netted and marked with a fin clip, then
kenny6666 [7]

Answer:

Estimated size is 1600

Explanation:

Given data:

Size of lake is 250 hectares

Total number of trout who netted is 400

Total number of trout in next week is 200

Total number of trout having fin clip 50

estimation population size is estimated by mark rupture as follow

Estimated population size = \frac{(marked\ initally \times total\ recaptured)}{mark\ recaptured}

Estimated size= \frac{400\times 200)}{50}

Estimated size is 1600

4 0
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During replication, which sequence of nucleotides would bond with the DNA sequence ATCAG?
andrew11 [14]

Answer:

TAGTC

Explanation:

There are four different nucleotides in DNA: adenine, thymine, cytosine and guanine.

The bases pair like so:

A with T (adenine with thymine)

C with G (cytosine with guanine)

The DNA sequence given is :

ATCAG

Match As with Ts, Ts with As, Cs with Gs and Gs with Cs.

The sequence of nucleotides that would bond with the sequence above is:

TAGTC

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3 years ago
What is hybrid inviability?<br><br>What is hybrid infertility?
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Hybrid infertility is a conditio experienced by hybrid animals when they cannot reproduce. This prevents the spreading of the hyrbid species into uncontrollable populations.
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Answer: More than 99 percent of all organisms that have ever lived on Earth are extinct. As new species evolve to fit ever changing ecological niches, older species fade away. But the rate of extinction is far from constant. At least a handful of times in the last 500 million years, 75 to more than 90 percent of all species on Earth have disappeared in a geological blink of an eye in catastrophes we call mass extinctions.

Though mass extinctions are deadly events, they open up the planet for new forms of life to emerge. The most studied mass extinction, which marked the boundary between the Cretaceous and Paleogene periods about 66 million years ago, killed off the nonavian dinosaurs and made room for mammals and birds to rapidly diversify

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