Answer:
Urinary system /Renal/urinary tract maintain fluid and electrolyte balance, purify blood and excrete liquid waste (urine)
Integumentary system exterior protection of body and thermal regulation
Skeletal system structural support and protection, production of blood cells
Hope this helps there is 3 of them
Answer:
hyrdotropism- plant grows toward water.
tropism- growth/movement of an organism in response to a stimulus
phototropism- plants response to light
gravitropism- plant roots grow down in response to gravity
geotropism- plants response to gravity
thigmotropism- plants response to contact of solid object. wraps around solid objects
Hello there.
Why did identifying rock layers because of their fossils become important?
It was the first indication that the layers were from different ages.