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TEA [102]
2 years ago
15

Which of the following correctly describes polyphyletic groups?

Biology
1 answer:
Dahasolnce [82]2 years ago
7 0

Answer:organisms that happen to share a common trait, even though they evolved

Explanation: polyphyletic groups have similar characteristics but

that have been grouped together

They do not share an immediate common ancestor.

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2 Diseases of a cassava
Yuri [45]

The overall outcome of the activities carried out under the CaCESA initiative

will improve cassava production and productivity. The effectiveness of

program is based on five axes:

- provision of healthy cassava cuttings to vulnerable families;

- the organization of extensive awareness and communication campaigns;

- national and regional coordination of actors in the production chain and

cassava post-production;

- the improvement of cultivation, processing and conservation practices

cassava;

- control and management of the spread of diseases, whether they are transmitted

insects and / or infected cassava cuttings.

To achieve these results, it will be necessary to build capacity at different

levels. The objectives will be achieved through the implementation of appropriate activities

Explanation:

5 0
3 years ago
Read 2 more answers
Which term refers to the microscopic physical gap between the presynaptic and postsynaptic neurons at a chemical synapse
lisabon 2012 [21]

The gap between the presynaptic and postsynaptic neurons at a chemical synapse is the Synaptic cleft.

The neurons are the smallest units of the nervous system. They are equally referred to as the nerve cells.

The presynaptic neurons that receives the fired action potential through its axon terminals.

This leads to release of neurotransmitters found in the synaptic vesicles of the presynaptic neurons.

These neurotransmitter are released into the physical gap between the presynaptic and postsynaptic neurons called the Synaptic cleft.

The neurotransmitters are then received by the postsynaptic neurons.

Therefore, the gap between the presynaptic and postsynaptic neurons at a chemical synapse is the Synaptic cleft.

Learn more here:

brainly.com/question/24261198

8 0
2 years ago
Why are Mercury ,Venus ,Earth and Mars called the ¨terrestrial ¨ planets?
Gekata [30.6K]
The planets Mercury, Venus, Earth, and Mars, are called terrestrial because they have a compact, rocky surface like Earth's terra firma. The terrestrial planets are the four innermost planets in the solar system. ... Without life, most of the oxygen would soon become part of the compounds on the planet's surface.
6 0
3 years ago
Why is the interdependence of the worms and plants an example of commensalism?
noname [10]
Because the plant is unaffected as the worms benefit
6 0
3 years ago
Read 2 more answers
Why does an element have a fixed, uniform composition?​
lbvjy [14]

Answer:

Element is a substance that cannot be broken down into simpler substances. Atoms are the smallest particle of an element. An element has a fixed composition because it contains only one type of atom.

7 0
3 years ago
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