Answer:
ever wonder if your dog really really loves you — or if he’s just in it for the kibbles?
Alas, scientists haven’t figured out exactly how our dogs feel about us. But a study published this week in the journal PLOS One has yielded fresh insight into how dogs see us. It adds to existing research showing that — much like humans, other primates and even goats — our canine friends use specific regions of their brain to “process” our faces.
“Our study provides evidence that human faces are truly special for dogs, as it involves particular brain activity,” study co-author Dr. Luis Concha, an associate professor at the National Autonomous University of Mexico’s Institute of Neurobiology, told The Huffington Post in an email. “To dogs, the human face is no ordinary thing.”
Explain:
D) Amphibia was considered to be the first to develop lungs
Correct answer choice is:
B) Carry out essential life functions.
Explanation:
They are essential to the lives of people, plants, animals, and all other organisms. Nutrients help cut down food to give organisms potential. The most essential nutrients they require are carbon, hydrogen, and oxygen. Other nutrients required by plants are nitrogen, phosphorous, potassium, calcium, magnesium, and sulfur.
B. they are both unicellular
Answer:
it cannot be easily degraded in our environment.Like humans, animals and plants are exposed to PBTs in the environment through air, water and food. ... Persistent bioaccumulative toxic substances (PBTs) are chemicals that do not degrade easily in the environment.
