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Zigmanuir [339]
3 years ago
12

What was significant about the fossils Darwin Found

Biology
1 answer:
Alexandra [31]3 years ago
8 0
Hey there,
<span>He dug up fossils of gigantic extinct mammals- thus this was significant.

Hope this helps ☺

<em></em>~Top
</span>
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Which of the following is consistent with the theory of vitalism
photoshop1234 [79]
There is one common fact that usually appears in option box and even though you didn't share any to choose the correct one, I think the information which I will give you will definitely help you. <span>All matter contains a vital force- this answer should coincide with those you were given. Hope you still need it because this one is really helpful.</span>
8 0
3 years ago
Which neural center in the limbic system helps process explicit memories for storage?
aev [14]
Hippocampus

It is a small part of the brain located on the medial temporal love and forms important part of the limbic system, these are the regions that regulates emotions. This is also associated with memory, spatial navigation, consolidation of information. Damage to this area can cause memory loss, difficulty establishing memory . In Alzheimer's disease hippocampus is one of the first regions in the brain to be affected.
7 0
2 years ago
Which is a negative consequence of using DNA technology in forensics?
seropon [69]
<h3><u>Answer;</u></h3>

Having untested DNA samples

<h3><u>Explanation;</u></h3>
  • <em><u>DNA technology has a great and a wide variety of important uses, which ranges from,paternity testing, to matching the DNA samples of suspects collected at a crime scene, to matching relatives to a missing person's DNA.</u></em>
  • However, <em><u>use of DNA in forensics may have negative consequences which includes, the backlogs of forensic evidence and also present of untested DNA samples which delays the whole process.</u></em>
  • <em><u>Having untested DNA samples refers to presence of evidence collected from the crime scenes that is untested and instead it is stored in the law enforcement evidence rooms and has not been submitted to crime laboratory to be analyzed. </u></em>

5 0
2 years ago
Read 2 more answers
What are the three classes of bryophytes?
Margaret [11]

Answer:

Class I: Hepaticopsida ( Liverworts)

Class II: Anthocerotopsida ( Hornworts)

Class III: Bryopsida ( Mosses)

Explanation:

Bryophytes are small plants that grows in moist and shady places.They don't attain great heights because of absence of roots, vascular tissues, mechanical tissues and cuticle. They are terrestrial but require external water to complete their life cycle. Hence they are called as the" amphibians" of the animal kingdom.

Class I: Hepaticopsida or Hepaticae

  • Gametophytic plant body is either thalloid or foliose. If foliose the lateral appendages are  without midrib.
  • Rhizoids without septa
  • Each cell in the thallus contain many chloroplasts
  • Sex organs are embedded in the dorsal surface
  • Capsule lacks columella
  • Sporophyte may be simple having only one capsule or differentiated into root, seta and capsule
  • It has 4 orders: Calobryales, Jungermanniales, Spherocarpales and Marchantiales

Class 2: Anthocerotae or Anthocerotopsids:

  • Gametophytic plant body is simple, thalloid;thallus dorsiventra without air chambers shows no internal differentiation of tissues
  • Scales are absent in the thallus
  • Each cell of the thallus possess a single large chloroplast with a pyrenoid
  • Sporophyte is cylindrical only partly dependent on gametophyte for its nourishment. It is differentiated into bulbous foot and cyclindrical capsule. Seta is meristematic.
  • Endotheciumforms the sterile central column in the capsule. It have ony one order Anthocerotales

Class 3: Musci or Bryopsida

  • Gametophyte is differentiated into prostrate protonema and an erect gametophores
  • Gametophore ids foliose, differentiated into axis and lateral appendages like leaves but without midrib.
  • Rhizoids are multicellular with oblique septa
  • Elaters are absent in the capsule of sporangium
  • The sex organs are produced in seperate branches immersed in a group of leaves.
  • It has only three orders: Bryales, Andriales and Sphagnales

Bryophytes are used as a packaging material for fragile goods, glasswares etc.Mosses are good source of animal food in rocky and snow clad areas. Decoction prepared by boiling Sphagnum in water  is used for the treatment of eye disease.

3 0
3 years ago
41. A student studying the biosphere makes a list of biotic and abiotic characteristics of various biomes. Which characteristic
forsale [732]
· Abiotic factors are nonliving, such as temperature, sunlight, and soil in an ecosystem.
· Biotic factors are the living parts of an ecosystem, such as plants and animals.

Given the above, the biotic factor listed is evergreen trees in a coniferous forest.

The other options - soil, precipitation, and temperature - are abiotic.

Answer:
<span>C. evergreen trees present in a coniferous forest
</span>
3 0
2 years ago
Read 2 more answers
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