The first two blanks are evidence of climate change, third blank is the main cause of climate change, and the fourth blank is a mechanism by which climate change occurs.
Answer:
Option B
Explanation:
The presence of these structures in this stage may be a prediction of a common ancestor as these structures are not gills because they do not develop into gills in chicks and humans but being so similar to gill structures in fish at this stage in their embryo suggests that chicks and humans share a common ancestor with fish.
Answer:
Explanation:
Positive phototropism is growth toward a light source, and negative phototropism is growth away from a light source. ... Sunflowers are a great example of positive phototropism, because not only do their stems curve toward the light but their flowers turn to face the sunlight as well.
Because the cell membrane controls what enters and leaves the cell. It also gives the cell support and protection and helps maintain homeostasis. Hope it helps you
