Answer:
Blood absorbs and distributes heat throughout the body. It helps to maintain homeostasis through the release or conservation of warmth. Blood vessels expand and contract when they react to outside organisms, such as bacteria, and to internal hormone and chemical changes.
Answer:
dangerous loss of blood due to inability to stop bleeding
organ damage due to lack of oxygenated blood in body
heart attack due to partially blocked vena cava
Explanation:
Answer:The question is not complete.
The condition are:
Variation of trait.
Differential reproduction.
Traits passed from parent to offspring.
Explanation:
Natural selection is refers to characteristics or traits posses by organisms that will make it to survive and reproduce in it's environment thereby passing those traits to it's offsprings. The theory of natural selection was proposed by Charles Darwin. There are four conditions that allow natural selection to take place and they are; reproduction, variation in characters or trait, heredity and trait passed from parent to offspring.
It is 50% homozygous recessive, and 50% heterozygous
