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zhuklara [117]
3 years ago
15

Which of these best explains why birds and dogs both show gills in their early development?

Biology
1 answer:
charle [14.2K]3 years ago
6 0

Answer:

d. both organisms have different ways of forming their lungs.

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Suppose you were in charge of sending an unmanned space probe to a new planet in search of life. The probe would be able to coll
Svetlanka [38]

Answer:

Option D, a test for the presence of cells that contain DNA

Explanation:

As we know all living organisms are made up of cells and DNA is the basic genetic material that codes for protein and traits with an organism. If even a single cell with DNA is detected on the extraterrestrial planet then it will be clear that it has life on it or the environmental conditions are favorable to support life. Cells are microscopic and hence can be seen through microscope which can be installed easily on a probe.

Hence, option D is correct

8 0
3 years ago
Which is the best description of photophosphorylation? he absorption of light energy by chlorophyll the conversion of light ener
ira [324]

Answer:

The conversion of ADP to ATP using light energy

Explanation:

Photophosphorylation is a stage in photosynthesis in which ADP is converted to ATP using sunlight energy.

Note that, in photophosphorylation, 2 ATPs are produced

This process is fundamental in maintaining a stable energy level in our eco-system.

3 0
3 years ago
Read 2 more answers
There are initially 1000 bacteria in a culture. The number of bacteria doubles each hour. The number of bacteria N present after
polet [3.4K]
There are several information's of immense importance already given in the question. Based on those information's the answer can be easily deduced. 
Initial number of bacteria in the culture = 1000
Number of bacteria after t hours = 1000 (2)^t
Then
1000 (2)^t = 50000
2 ^t = 50
t = 5.6

I hope the procedure is clear enough for you to understand.
3 0
3 years ago
1. List the Biomes seen in the above example. Explain why adaptations are needed for each biome.
shtirl [24]

Answer:    i dont understand can u DM me

Explanation:

6 0
2 years ago
Whitch of the following statements are true?
maria [59]

Answer:

All the statements are true except the second i. e. the soil quality in an ecosystem Does not matter as much as soil quantity.

Explanation:

In an ecosystem both quality and quantity of water is very important. If the quality of water is not suitable, that it contains polluted substances so the health of the organism such as fishes and other aquatic animals will adversely affected and sometimes dealth occurs and the ecosystem will be negatively affected.

5 0
3 years ago
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