How did mason bees get their name?

How did mason bees get their name? A They have a secret handshake B They use mud to construct their nests C They only live in fraternal societies Mason bees build hives in existing spaces like woodpecker holes or hollow trees. They use mud to separate each egg from the next. Each egg cell has … Read more

What large bird, the tallest native to North America, became an icon of conservation efforts in the 20th century?

What large bird, the tallest native to North America, became an icon of conservation efforts in the 20th century? A Turkey vulture B Blue heron C Whooping crane The whooping crane population reached an estimated low of 28 in the 1930s. Decades of legislation, land protection, and breeding programs have helped to increase their population … Read more

Rhino populations are threatened by poachers hunting them for their horns. Rhino horns are made of what material?

Rhino populations are threatened by poachers hunting them for their horns. Rhino horns are made of what material? A Bone B Keratin C Cartilage Keratin is a fibrous protein material. Despite it being commonly found in the world — it also makes up hair and fingernails — rhinos are hunted for their horns, which are … Read more

We’re looking at a Sumatran rhino. ‘Rhinoceros’ comes from the Greek ‘rhino’ and ‘keras,’ which mean…

We’re looking at a Sumatran rhino. ‘Rhinoceros’ comes from the Greek ‘rhino’ and ‘keras,’ which mean… A Nose and horn B Forest and guardian C River and horse Rhinoceros roughly translates to ‘nose-horned,’ which is a common feature of all five living species of rhino. Javan rhinos and greater one-horned rhinos have one horn on … Read more