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Grace [21]
3 years ago
11

The diagram below shows a portion of the geologic time scale.

Biology
2 answers:
Artist 52 [7]3 years ago
6 0

Answer:

microscopic life appeared on Earth before flowering plants

Explanation:

Gala2k [10]3 years ago
3 0
The answer is microscopic life appeared on Earth before flowering plants. This is because according to the label on the second box, microscopic life appeared 4.0 to 3.5 billion years ago, and this is way before the date 250 to 120 millions years ago indicated on the label on the sixth box the flowering plants appeared on Earth.
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How do plants and snails affect the CO2 and O2 gases in an aquatic environment
frez [133]

Answer:

Water plants will absorb carbon dioxide for photosynthesis, and some plants will also absorb ammonia (as a source of nitrogen for growth). Aquatic animals like fish and snails absorb oxygen and release carbon dioxide directly into water through specialized structures like gills.

Explanation:

8 0
3 years ago
How does the Gulf Stream affect weather in the United States?
Solnce55 [7]
The answer is B. brings cooler temperatures from the topics
5 0
3 years ago
What is the importance if the carbon and nitrogen cycles to ecosystems
Aliun [14]

Carbon and nitrogen and an important element of living things. Nitrogen is a major component of DNA and amino acids while carbon can be found in almost all biomolecules. These elements, therefore, need to be renewed and recycled as they are utilized by ecosystems that is ever dynamic.  

8 0
3 years ago
In a particular population the allele frequency of the ABO blood type alleles are as follows: r is 50%. IB is 49% and i is 1%. I
agasfer [191]

Answer:

26% is the percent of the population will have an A blood type (Option C)

Explanation:

Due to technical problems, you will find the complete explanation in the attached files

Download pdf
7 0
3 years ago
A researcher observing an ecosystem describes the amount of sunlight, precipitation and type of soil present. Which factors is t
anastassius [24]
A researcher observing an ecosystem describes the amount of sunlight, precipitation, and type of soil present. The researcher is most likely describing abiotic factors in a prairie. 
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Di is incorrect because abiotic factors listed include soil, which is not likely to be described in an ocean environment. 
6 0
3 years ago
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