They vary on shape reproduction patterns in species. Traits that affect a organism's schedule of reproduction, selective pressures vary so life histories are very diverse. Life history traits are products of natural selection and an organisms life history comprises the traits that affect schedule of reproduction and survival, and also the traits are evolutionary outcomes reflected in the envelopment, physiology and behavior.
The oldest client is at more risk for heart failure. A third heart sound is caused by a sudden reduction in the speed of blood flow from the left atrium to the left ventricle. It is said to be a normal phenomenon for young people and athletes but in older people who do not exercise, it indicates a congestive heart failure.
Answer:
What are the three species?
<span>a. Acoelomates. Flatworm is a type of acoelomate animal; they have no body cavity or ceolom but they have </span>mesenchyme in their body cavity that surrounds the gut and organs in one solid body.
