Answer:
CHALLENGE ACCEPTED!!
Explanation:
THE GRIFFITH EXPERIMENT demonstrated that something in the virulent s strain of pneumococcus could transform non virulent r strain bacteria into a lethal form, even when the s strain bacteria had been killed by the high temperature.
So the two experiments aim at determining the replication mechanism.
The term autonomic. Shows that it is an automatic system and so not controlled by the body the answer is C
Sunlight is the energy for life as it as use it to get vitamin.It also grows our food through photosynthesis. And in without we can’t see.
Answer:
The options are
A) they may affect several populations in an ecosystem
B) they cannot be caused by human activity
C) they affect food chains but not food webs
D) They have no effect on living organisms in an ecosystem him
The answer is A) they may affect several populations in an ecosystem
Explanation:
Environmental changes include deforestation and climate changes. Organisms depend on their habitat and climatic conditions for their survival because it determines their food availability too.
When environmental change occurs they may affect several populations in an ecosystem.
