Answer:
- Autotrophs are usually defined as those that can prepare their own food by carrying out the process of photosynthesis, but heterotrophs cannot prepare their own food and are directly dependent on the autotrophs for food. Examples of autotrophs are plants and trees, and examples of heterotrophs are animals and human beings.
- Autotrophs are the lowest organisms in the trophic level, where they produce the food for the consumers (heterotrophs). On the other hand, the heterotrophs lie above the autotrophs and when they consume their food, they obtain only 10% of the energy, and the remaining energy is released into the environment.
- Autotrophs can make organic substances by the use of inorganic molecules, but heterotrophs cannot make these substances. They are only dependent on the molecules prepared by these autotrophs.
Thus, these are three of the facts regarding autotrophs and heterotrophs existing on earth that are true.
<em>PLATO </em>
A.
The population's birth rate falls below its death rate after a predator is introduced.
B.
A lack of mating opportunities increases the population's level of emigration.
<u><em>C.</em></u><em> </em>
<em>An increase in food availability increases the birth rate in the population.</em>
D.
The population's level of immigration falls below its level of emigration.
Answer:
One allele of tallness form one of the parent and one allele for dwarfness from another parent.
Explanation:
Mendel took two plants one was homozygous dominant(TT) for height trait and the other was homozygous recessive(tt) for height trait. The homozygous dominant individuals was tall and recessive was short.
So when they are crossed during fertilization the offsprings got one allele for tallness from the homozygous dominant parent and one allele for shortness from the homozygous recessive parent.
T T
t Tt Tt
t Tt Tt
So all the offsprings are heterozygous for the height trait that means all the individuals will be tall in appearance as they have one dominant trait for tallness.
Active transport. it's the only method of transfer of material that is again concentration gradient
D. They convert glucose into another form of energy used by cells.
