The oxygen needed for cellular respiration needs to be provided......acquired from breathing
<u>Answer:</u>
The correct answer is D
<u>Explanation:</u>
1- Most of the protists and all Prokaryotes are unicellular organisms.
2- Prokaryotes lack a proper nucleus and other membrane-bounded organelles while protists have membrane-bounded nuclei and other organelles.
3- Protists have cytosol where most of the organelles are found.
4- Protists don't have a cell wall while prokaryotes have a cell wall that acts as an extra protection layer. The cell wall of the protists shapes their body.
Answer:
fish - seahorse, clown fish
amphibians - frog, lizard
reptiles - alligator, cobra
birds - duck, falcon
mammals - human, cow
Explanation:
easiest way to remember is
franklin(fish) ate(amphibians) really(reptiles) big(birds) meals(mammals)
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and for the animals that fall under those categories
Sam(seahorse) found(frog) a(alligator) dirty(duck) house(human)
Answer:
haemoglobin
Explanation:
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body
