Answer:
I would say everything's correct except the second one, I believe that one is false :) I hope you do well and sorry if i'm wrong!
Explanation:
The two properties that a human and a spider would exhibit is that both of them are composed of eukaryotic cells and the exhibit sexual reproduction. Eukaryotic cells are cells with membrane bound organelles such as the nucleus which contains the genetic material enclosed by a nuclear membrane. Sexual reproduction is a type of reproduction where livings give rise to new off springs by combining genetic material from two individuals of different sexes.
Answer:
The oxygenated blood enters into the heart by pulmonary veins into the left auricle, then the left ventricle. Then this RBC enters the aortic valve and moves upward.
It enters the aorta and from the aorta to aortic vessels. From aortic vessels, the blood goes to descending aorta. This supplies RBC to different tissue parts.
From descending aorta the blood flows to iliac arteries which are further branched into several arteries, which supply blood to lower part of the body i.e. legs, pelvis.
The subclavian artery provides blood to hands and shoulders, hands. Left and right carotid arteries supply blood to the brain from the heart.
Answer:
Louis Pasteur effectively disproved the spontaneous generation concept by performing research that displayed exposure to fresh air was the trigger of the microbial growth.
Explanation: