Answer:
a
Explanation:
the kidney secretes an enzyme called rennin that helps to control blood pressure is not true the kidney does not secret rennin
They clean the animals because, the oil will harm them otherwise. Meaning if the oil stay s on them long enough, it can harm them dramatically; In ways in which it may cause death.
Answer:
Dendrites
Explanation:
Dendrites or dendrons are the branching of protoplasmic extensions of a nerve cell. As the neurons are arranged in head to tail manner, these dendrites lie close to the axon terminals of the other neuron and thus they receive signals from the other neurons and then pass the received signal to the main body of the neuron which is also called Soma. The electrical signals are passed from one neuron to the other neurons via the synapses which are located at various points on the dendrites.
Ecosystems can be large and are made of biomes. Some examples of ecosystems are deserts and forests.