Which of the following is a function of the placenta? a.) mixing the blood of the mother and the fetus b.) protecting the fetus from drugs, such as alcohol, in the mother's body c.) providing nutrients to the fetus d.) cushioning and protecting the fetus

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

What is the average speed of a car that traveled 300.0 miles in 5.5 hours

Which of the following situations describes a adaptation for a mole? question 2 options: a mole is blind and cannot see underground. a mole is bright and attracts the attention of predator birds. a mole has a sensitive sense of smell to it find food underground.