Answer:
They produce seeds which are encased by an outer layer such as fruit.
Your answer is b Changes in the tempurature and salinity of water
Answer: appendicular skeleton
Explanation:
Answer:
is one in which blood flows through two capillary beds before being sent back to the heart.
Explanation:
A portal system can be defined as a system of blood vessels having a capillary network at each end, meaning that the blood vessel starts and ends in capillaries, before finding its way back to the heart. The blood draining through the capillary bed flows via the larger vessel to supply the blood to the another structure's capillary bed.
Answer:
Hey there!
The correct answer would be B. Background extinctions are a normal part of stable ecosystems.
Hope this helps :)