Exchange of anything with blood (air, nutrient, hormones etc) occurs through blood capillaries. This is thanks to the simple squamous epithelium lining the walls of the capillaries.
Solid- Ice: 0 degrees celcius
Liquid- Water: Room temperature
Gas-Steam: 100 degrees celcius
hope this helps :)
Answer:
I'm not rlly sure but i think the bigger animal ate the smaller one because after there are no more steps of him (the smallest)
Explanation:
Answer:
A) Peptidoglycan
D) Lipopolysaccharide
Explanation:
Gram-negative bacteria have a cytoplasmic membrane, a thin peptidoglycan layer, and an outer membrane containing lipopolysaccharide. There is a space between the cytoplasmic membrane and the outer membrane called the periplasmic space or periplasm.
