The correct answer is that mammals use a closed, double loop , four chambered heart as a circulatory system of the body.
The circulatory system of mammals is closed system that consists of four chambers, two articles and two ventricles. The deoxygenated blood comes into the heart from one loop and the oxygenated blood from other loop from the heart is circulated to the whole body. This is called as double circulation.
Answer:
The forest with the most diverse population is the one that could have this distribution: 25 W, 25 X, 25 Y and 25 Z.
The one that has a distribution like this with 3 species, would be the one that is more diverse.
Answer: d) Clinical examination
Explanation:
A clinical examination is a physical examination of the body which is usually done without any surgery. It notices the external characteristics and internal characteristics of body specially by using the diagnostic tests such as x-rays, MRI and others. This is done to determine the cause of disease and disorder.
The given assessment is the part of the clinical examination because external features such as skin, eyes and tongue can be examined in a clinical study to identify the disease or disorder and it's cause.
Answer:
It has a postanal tail.
It has pharyngeal arches.
Answer:
Check if the rock layer has fossils in it.
Explanation:
The rock layer from the inside out and the fossils will tell you how old the rock is.
