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vagabundo [1.1K]
3 years ago
13

Based on the phylogenetic tree below, which groups of plants evolved most recently?

Biology
1 answer:
xeze [42]3 years ago
3 0

Answer: The correct answer is- gymnosperms and angiosperms.

Phylogenetic tree is a diagrammatic representation that depicts the evolutionary relationship among different group of species. In other words, it is used to interpret the relatedness among different species and how they have descended from a common ancestor.

The tips in the phylogenetic tree represents the taxon ( or particular group of species) that are descended.

In the given tree, gymnosperms and angiosperms have evolved most recently because they correspond to the most recent branches having the immediate common ancestor at the topmost level as compared to the immediate common ancestor of other taxon.

Thus, gymnosperms and angiosperms is the right answer.

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If the first trophic level in an energy pyramid receives 1,000 units of energy from the Sun, how much energy is available for th
yanalaym [24]

Answer:

10 units

Explanation:

Energy is transferred from organism to organism in an ecosystem when they feed on one another. However, based on the pyramid of energy, only about 10% of energy is transferred from one organism to another because a bulk of energy (about 90%) has been lost to metabolic activities.

Energy moves from producers to consumers, each occupying trophic levels. If the first trophic level in an energy pyramid receives 1,000 units of energy from the sun,

- 10% of 1000units will be available for the second trophic level i.e. 10/100 × 1000 = 100units

- 10% of 100units will be available for the third trophic level i.e. 10/100 × 100 = 10units

Hence, 10units of energy is available for the third trophic level.

8 0
2 years ago
What is the difference between a heterogeneous mixture and a homogeneous mixture? A. A heterogeneous mixture can only be a solid
I am Lyosha [343]

Answer:

C. You can see the parts in a heterogeneous mixture but can't see them in a homogeneous mixture.

Explanation:

a heterogeneous mixture is in other words, the one that does not mix or is not uniformly combined, hence leading to the creation of layers of the substances used.

a homogeneous mixture is the one that completely dissolves, or mixes, or is uniformly combined.

5 0
3 years ago
A greenhouse owner determines that the plants in the greenhouse need a higher humidity level. How could the owner address this p
NeTakaya

Answer:

Providing a controlled source of water vapour through which water can be vaporized into the plant envoirment.

Explanation:

Humidity ratio is the ratio of the mass of water in air to the mass of dry air. Humidity is needed in some conditions where the air is very dry. In a very dry air setting, there can be excess moisture loss from the plant surface, increasing the Humidity ratio can counter this effects and reduce excess moisture loss.

5 0
3 years ago
Need help asap please
vovangra [49]
The answer should be letter B I'm sorry if not
5 0
2 years ago
Read 2 more answers
The two processes that move the most amount of carbon through the carbon cycle are? a.photosynthesis and respiration b. decompos
goblinko [34]

Answer:

Photosynthesis and Respiration

Explanation:

In photosynthesis C is used in the form of CO2.

In respiration C is released in the form of CO2.

7 0
3 years ago
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