What is at the start of each food chain? 1. primary consumers
2. secondary consumers
3. producers
4. the sun

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

Jason, a dog breeder, decides to mate a poodle with a golden labrador retriever. he wants to get puppies with the curly hair of the poodle and the color of the labrador. what concept is shown in this example? question 6 options: artificial selection adaptation evolution natural selection

Do you think humans have a moral obligation to preserve the habitat of the chimpanzee