Answer: It is supported by hypotheses, repeated tests and law from one or more fields of science.
Explanation:
In the context of science, a theory is a well-established explanation for scientific data. Theories typically cannot be proven, but they can become established if they are tested by several different scientific investigators.
The orientation of a plant or other organism in response to light, either toward the source of light >positive phototropism<span> or away from it ></span>negative phototropism
Answer I think the number 1
Diversification Rates Increase With Population Size and Resource Concentration in an Unstructured Habitat
<h2>Wet versus Dry habitats</h2>
Explanation:
- Plants from wet habitats have a relatively large number of stomata and thin cuticle
- Plants from dry habitats have a less number of stomata and thick cuticle
- Stomata helps in exchange of gases whereas cuticle reduces the loss of water
- If water is more then plants have large number of stomata which helps in great access to water and increases support for herbaceous tissues
- In case of dry habitat conditions are not favorable with regard to water hence a thick cuticle is required to minimize the water loss while in wet habitat water is abundant hence they have a thin cuticle
A.Vascular plants have a relatively large number of stomata
B. Plants from wet habitats include white lotus,water lily
C. Plants from dry habitats include xerophytes for example cactus,oleander
<u>Answer</u>:
No, speciation doesn’t occur in specific characteristics and predictable manner.
<u>Explanation</u>:
Speciation means creation of a new kind of plant or animal. When a particular species separates from its members of species and develops its own characteristics, speciation occurs.
There are different types of Speciation. In allopatric speciation, species separate due to geographical conditions like waterways or mountain range and evolve into separate species. Whereas in Sympatric speciation, species evolve into separate ones without any change in geographical conditions. Other types of speciation are artificial, peripatric and parapatric type of speciation. So, these changes are neither specific nor predictable.
