The main reason is because they are heavy, and because they don't have to chase their food. They're not predators and their shells give them protection like running away gives protection to other herbivores.
Autosomal traits would show Mendelian inheritance pattern but sex-linked traits would show criss cross inheritance.
Sex-linked trait is often controlled by gene present only on X chromosome, hence no corresponding allele is present on Y chromosome.
Answer: carbon dioxide and water are combined in a series of reactions, sunligh provides energy for the reactions, the end result of photosynthesis is the production of sugars (glucose, a food) and oxygen (a gas)
Explanation: organisms use both oxygen to turn glucose into carbon dioxide, water and energy in the form of ATP.
Genotype<span> is the pair of genes an organism has for a particular trait. </span>Phenotype<span> is the observable trait present in the organism.
It is always important you review the questions you have trouble with so you may understand them better. Hope i could help, have a goodnight.</span>
