Answer:
a. maple leaf and oak leaf
Explanation:
Homologous structures are those that have the same evolutionary origin but fulfill very different functions, a good example could be the wing of a bird and the wing of an insect, the wings of birds, are modified front members and the wings of insects are "BRANCHES" modified
In the case of maple and oak leaves they are homologous structures because they have a common ancestor according to their genetic decoding, that is, even if they can look different or behave differently, they are genetically homologous structures.
To calculate life expectancy you need to know how much the disease severity, risk factor the patient had and the complication that already occurs. In general, 90% of stage IV sarcoidosis patient will survive in 5 years, and 80% will survive for 15 years.
Tough outer coating; organelles are responsible for functions inside a cell.
Answer:
primary producers:
trees, flowers, plants basiclly
secondary producers:
frogs, bunnies, bugs another word for prey
Explanation:
primary producers are the 1st producers at the bottom of the food chain bc they only use light a fuel.
secondary are the actual animals that are eaten by consumers. they could also be considered prey.