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Tpy6a [65]
3 years ago
12

What organism has been found in the oldest fossils?

Biology
2 answers:
Cloud [144]3 years ago
7 0
D.cyanobacteria hop that this helps some
EastWind [94]3 years ago
4 0

the answer you are looking for is D. Cyanobacteria, and it is the same answer that sands out :| but good luck on your test

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Which stage of the cell cycle involves the division of the cell’s nucleus?
irinina [24]

Metaphase

At the end of the phase the cell divides into two new cells

3 0
3 years ago
Which is the dominant physical feature of planet Earth?
lesantik [10]

Answer:

Hmm.

Explanation:

The ocean is the dominant physical feature on our planet Earth, covering approximately 70% of the planet's surface.

6 0
3 years ago
Write about how the group of rock layers in record a forme include tilting erosion and folding
neonofarm [45]

Answer:

Most sedimentary rocks are formed in level layers. Therefore, the occurrence of tilted rock layers is evidence of mountain building. ... Tilting can also result when rocks are pushed upward, or uplifted. In some areas of the world, rock layers are so severely tilted that they may be bottom side up. Layered rocks form when particles settle from water or air. Steno's Law of Original Horizontality states that most sediments, when originally formed, were laid down horizontally. ... Rock layers are also called strata (the plural form of the Latin word stratum), and stratigraphy is the science of strata.

6 0
3 years ago
During seed production, which part of a flowering plant develops into a seed?
tester [92]


The part of a flowering plant that develops into a seed  is the ovule.

When pollen grains land on the stigma of the correct species, they germinate. A pollen tube grows through the tissues of the flower until it reaches an ovule inside the ovary.

The nucleus of the pollen grain (male gamete) then passes along the pollen tube and joins with the nucleus of the ovule (the female gamete). This process is called fertilization.

After fertilization, the female parts of the flower develop into a fruit. The ovules become seeds and the ovary wall becomes the rest of the fruit. 


3 0
3 years ago
Carly and Adam have been married for three years and are beginning to think about having children. Which vitamin should Carly ma
poizon [28]

Answer:

The options

a. riboflavin

b. vitamin D

c. pantothenic acid

d. folic acid

The CORRECT ANSWER IS d.

d. Folic acid

Explanation:

Having a healthy baby means staying healthy. Getting sufficient folic acid each day — mostly before conception and at early pregnancy as it reduces risk of serious neural tube defects (partial development of the brain and spinal cord) to a very large extent.

Folic acid (or folate) is a B vitamin (B9) found majorly in dark green vegetables (broccoli and spinach), legumes(beans and peas) and enriched grains.

It is essential for all women of childbearing age to get sufficient folic acid (necessary for cell growth and development plus DNA formation too)— not just those who are trying to conceive.

4 0
3 years ago
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