<span>-Carbohydrates. Carbohydrates are comprised of carbon (C), hydrogen (H), and oxygen (O) molecules.
-Proteins. Proteins are comprised of amino acids.
-Lipids. A wide variety of biomolecules including fats, oils, waxes and steroid hormones.
<span>-Nucleic Acids.</span></span>
Pioneer species are the first species that colonize places where there were previously no other living organisms, such as algae that colonize bare rocks. ... Therefore, they pave the way for other species to establish themselves at the location through the creation of new potential ecological<span> niches.</span>
Answer:Eating salty food causes what kind of thirst
A tissue.
Then a group of tissues that work together is an organ.
The a group of organs is an organ system.
A group of organ systems is and organism.
Ventricular systole is when the ventricles of the heart as the result of electrical activity which helps to pump blood. During ventricular systole oxygenated blood is pumped from the left ventricle through the aortic valve and aorta. Simultaneously deoxygenated blood is pumped from the right ventricle through the pulmonic valve and pulmonary artery to the lungs. Using this explanation blood enters the aorta and pulmonary artery during ventricular systole. <span />