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Gekata [30.6K]
3 years ago
7

Arrange the rock layers from oldest to youngest. Re-examine the rock outcrops if you need too. Record the order in the student g

uide

Biology
2 answers:
mixer [17]3 years ago
8 0

Answer: Conglomerate, Breccia, Shale, Dolostone

Explanation: (From youngest to oldest)

Vikki [24]3 years ago
5 0

first is conglomerate

second is breccia

third is shale

fourth is dolostone

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Match the numbered terms to the description that follows. Choose all appropriate terms. A prokaryote that obtains both energy an
Lera25 [3.4K]

Answer:

Answer is option (2) and (4).

Prokaryotes that obtain both energy and carbon as they decomposes dead organisms - heterotroph and chemotroph.

Explanation:

(1) Autotrophs or Producers - Organisms that produce their own food and get the energy to make food from inorganic sources or sunlight. They are the base level of the energy pyramid of an ecosystem. The existence of all other organisms depends on autotrophs as they provide fuel for others. Examples of autotrophs are green algae, all plants, photosynthetic bacteria, etc.

(2) Heterotrophs or Consumers - Organisms that consume autotrophs or other heterotrophs since they cannot produce their own food. They absorb nutrition from other organic carbon sources such as plant or animal matter. The examples of heterotrophs are fungi, all animals, many protists and bacteria.

(3) Phototrophs - Organisms that capture photons from light and convert it to chemical energy to carry out different cellular processes.

  • Photoautotrophs (holophytic organisms) are autotrophs that carry out photosynthesis in which carbon dioxide and water are converted into organic compounds (glucose) using energy from sunlight. Plants, algae, photosynthetic bacteria are examples.
  • Photoheterotrophs depend on sunlight for their energy and produce ATP through photophosphorylation. Their source of carbon is organic compounds such as carbohydrates, fatty acids, etc obtained from the environment and do not rely on carbon dioxide. Examples include green non-sulfur bacteria, purple non-sulfur bacteria, heliobacteria, etc.

(4) Chemotrophs - Organisms that obtain energy by breaking down or oxidation of organic or inorganic molecules such as ammonia,  carbohydrates, molecular hydrogen, sulfur, hydrogen sulfide, ferrous iron, etc through chemosynthesis.

  • Chemoautotrophs synthesize organic compounds from carbon dioxide using the energy derived from chemical reactions. Most of them are found in deep water environments that receive no sunlight. Cyanobacteria, sulfur-oxidizing bacteria, iron-oxidizing bacteria, nitrogen-fixing bacteria, etc are examples.
  • Chemoheterotroph uses inorganic or organic energy sources as they can not synthesize their own organic compounds. Chemolithoheterotroph uses inorganic energy sources (sulfur, ferrous iron, etc) and chemoorganoheterotroph uses organic energy sources (carbohydrates, proteins, lipids, etc). Examples of chemoheterotrophs include most fungi and animals.
4 0
3 years ago
Which can disrupt the cell cycle?<br> mutation<br> O GO phase<br> O replication<br> O cancer
vfiekz [6]

Answer: Mutation

Explanation:

Got it right on Edge 2020

4 0
3 years ago
What is ONE major difference in the problems associated with obtaining measurements on the sizes or densities of animal populati
ratelena [41]

I think one major difference with that is that animals can move around, go distances in search for food or mate, and thus make the animal densities per geography vary greatly. Birds migrate regularly, so their population densities tend to vary with seasons. Their mobility also depends on the availability of food, so animals go away if there are no food in the area.

Plants on the other hand don't move around faster (they can migrate by reproduction: it's their seeds moving around). Thus their densities tend to be more constant per season/life cycle.

4 0
2 years ago
the activities in the cell cycle occur during a specific phases. In which phase of the cell cycle is DNA replicated?
ValentinkaMS [17]

Answer:

S phase

Explanation:

The S is short for synthesis, which means that DNA is being replicated.  This is one of the stages of interphase, when the cell is growing and getting ready to divide.  Well, this is the getting ready to divide part of interphase; the cell needs to duplicate its DNA so it has enough to divide out to daughter cells.

8 0
2 years ago
Which pair of scientific fields would be most useful in understanding how and
Naddik [55]
Anthropology and sociology
7 0
2 years ago
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