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Anna35 [415]
2 years ago
9

Which of the following describes the properties of ferns?

Biology
2 answers:
Inessa05 [86]2 years ago
7 0

Answer:

B

Explanation:

Ferns are in the group pteridophytes. These plants have a vascular system – which also means they have true roots, stem, and leaves-, however, they produce through spores (not seeds like higher plants-gymnosperms and angiosperms). Other than ferns, other plants in the group are horsetails and club-mosses. Unlike in higher plants, where the gametophyte is the dominant phase of the life cycle, the sporophyte is the dominant phase in pteridophytes and other lower plants.

morpeh [17]2 years ago
4 0

Answer: B. They have vascular tissue such as xylem and phloem and reproduce with spores.

Explanation: This is the correct answer for Pennfoster.

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You learned in the previous section that archaea have ribosomes, similar to eukaryotes. How does this statement support the theo
Fed [463]
Assuming that this is the theory of endosymbiotic creation of eukaryotes , it supports it by showing that ancient prokaryotes such as archae have ribosomes that could have joined together, as the theory states to create the eukaryote's ribosomes that they have today (because they're so similar.)
5 0
3 years ago
Read 2 more answers
_______ is the portion of the skull that encloses and protects the brain
Vinil7 [7]

Answer:

neurocranium

Explanation:

  • The part of the skull that is responsible for covering as well as protecting the brain is termed as neurocranium.
  • The neurocranium consists of the following :
  1. occipital bone
  2. two temporal bones
  3. two parietal bones
  4. sphenoid
  5. ethmoid
  6. frontal bones
  • All these bones are joined together with the help of sutures.
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4 0
2 years ago
The "calico" pattern of coat coloration in female cats is a result of:__________
elixir [45]

Answer:

b. x chromosome inactivation

Explanation:

As you know, female cats have an x chromosome inherited from their mother and an x chromosome inherited from their father. After these two chromosomes are inherited and determine the sex of the cat, one of them will be disabled at some point in fetal development. Inside the X chromosome is the gene that determines the coat color of cats, when one of the two x chromosomes is deactivated, the other x chromosome will have all of its cells activated. In this case, if the activated chromosome is the one that has genes for the "cheetah" pattern of the coat color, all the descendants of this female cat also have the same coat.

3 0
3 years ago
In which order will free nucleotides add on to a single strand of DNA with the sequence ATTGCA during DNA replication?
AnnZ [28]
The answer is T A A C G T.

Replication is a process in which DNA molecule is copied, and thereby two identical DNA molecules are produced.  Complementarity is achieved through interactions between nucleobases. In the DNA, base complements are adenine - thymine (A-T) and guanine - cytosine (G-C). 

So, free nucleotides will add in the following order <span>T A A C G T:
original strand                 new strand
     A                                       T
     T                                       A
     T                                       A
     G                                      C
     C                                      G
     A                                       T</span>
6 0
3 years ago
This is an organic compound consisting entirely of hydrogen and carbon
andreyandreev [35.5K]

the answer is... hydrocarbons

8 0
3 years ago
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