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Which layer of soil is least likely to be penetrated by plant roots?
The parent rock layer is the layer of soil that is least likely to be penetrated by a plants roots. Parent rocks can be igneous or sedimentary.
How does parent rock affect soil?
Soil comes from parent rock. Due to weathering the action of plant roots etc the parent rock is broken up and over many years gets incorporated into the soil. So the composition of the parent rock will affect the soil that develops over it. The soil could be lacking in certain minerals due to the parent rock. The soil could be acidic or basic due to the parent rock. But there is more to soil composition than just the parent rock.
How does rock affect soil?
Soil comes from parent rock. Due to weathering the action of plant roots etc the parent rock is broken up and over many years gets incorporated into the soil. So the composition of the parent rock will affect the soil that develops over it. The soil could be lacking in certain minerals due to the parent rock. The soil could be acidic or basic due to the parent rock. But there is more to soil composition than just the parent rock.
What are the 4 main layers of soil?
Organic Layer - plant litter Surface Layer - mineral and organic mixture Subsoil - contains clay, iron, aluminium Substratum - parent material
What is dispersal?
White light is a combination of seven colours (VIBGYOR) . When they passed through prism each wave travels at different speeds (having different energies and wave lengths) split in to seven colours.This spectacular phenomenon is regarded as Dispersion.Also in statistics the data from experiments is plotted. The distribution of data or dispersion is characterized by Standard deviation or VarianceSeparation of white light into separate colors
Why do seeds need to be dispersed from the parent plant?
What is stigma
Why do seeds to be dispersed away from the parent plant?
To get better opportunity for growth and development
What helps cherry seeds to be dispersed?
Animals eat the cherry fruits and when they excrete, the a cherry seeds come out because they dont get digested like the flesh in the fruit. Now, the seed which fell on the ground will grow into a young plant then into an adult cherry plant
What is the effect of height on seed dispersal?
the higher the seed is in the air,the far it can be dispersed from parent plant.
A seed that is dispersed to an area far away from the parent plant might face less?
Competition.
How are the seeds of bitter gourd dispersed?
Seed Dispersal-the method by which a plant scatters its offspring away from the parent plant to reduce competition.Methods include:wind,insects,animals,tension and water.
Why is it important for the seeds to be dispersed as far as possible from the parent plant?
so it doesn't crowd one area of vegetation
Why seeds need to be dispersed for it to grow?
They allow the seedling room to expand without encumberance from the parent plant and spread out the range.
What are the reasons for why seeds need to be dispersed?
so that they can grow. If the seeds are not dispersed, they would just fall next to the parent plant. This means it would be constantly fighting for enough water, light and nutrients.
What is a benefit of a seed being dispersed far away from parent plant?
This helps to raise the offsprings chance of survival, at the same time ensuring the parent plants survival. If the seeds land close to the parent plant competition for resources such as water, sunlight, and nutrients will take place, weakening both the offspring plants as well as the parent plant.
Is a balsam plant fruit dispersed by animals if not then what is it dispersed by?
it is dispersed by animal waste It is dispersed by exploxion
How can you tell how a seed gets dispersed?
look at it, look at the fruit, look at the mother plant. now think.Seeds are carried in the air and land far away from the parent plant.Seeds are carried in water and land on shores further away.Seeds are dispersed by gravity near the parent plant. These seeds may sometimes be forced out from the pods and thus land a bit further away.Seeds are carried by animals who have eaten the fruit, which eventually is dispersed through the animals' faeces.
