They occur when a blood vessel within the skull bursts and bleeds into and around the brain. The main cause of haemorrhagic stroke is high blood pressure, which can weaken the arteries in the brain and make them prone to split or rupture. Hope this helps :/ x
Answer:
Hi, you probably already submitted but I believe it will be A: All living things use energy to carry out essential life functions.
B. Not all living things have brains. For example, plants are living and they don't have brains. Neither do unicellular organisms.
C. Not all living things have stomachs. Plants eat, but not with a stomach. They absorb nutrients.
D. Phagocytosis is ingestion. Not all living things undergo it. Again, going back to the plants example, they do not, so therefore it isn't all living things.
Hello!
The body of a sponge is not very complex, mainly because it has no cells. It has 2 outer layers and supportive needles, but no cells!
Enjoy.
~Isabella
I think bacteria formed around 3 billion years ago (if I'm wrong let me know)
The answer should be 4) as it is known that uv radiation might have an effect on dna, thus causing mutations such as skin cancer in humans.