A nucleus bordered by a membranous envelope is found in

In the 1960s, minerals and fossils in Africa were found to be identical to those in: Europe North America South America Asia

Ingested dietary substances must cross cell membranes to be used by the body. True or False

Animal behavior aid Based on learning this statement would most likely come from ___ Ethologist Comparative behaviorist

Why does one part of earth experience summer while another part experiences winter?

Which of the following is (are) not the function (s) of the skeletal system: support, storage of minerals, strength, or production of blood cells (hematopoiesis) ?

Which feature is not the result of a glacier carving out rock as it moves? A. Cirque B. Terminal moraine C. Fjord D. Horn peak

3. In which process do substances have to be in direct contact when heat moves from areas of more heat to areas of less heat?

While on an archaeology expedition, you unearth a skeleton with the following characteristics: four long, slender finger bones and a smaller opposable thumb bone, long arm bones, fingernails, and eye sockets close together on a skull.

Describe respiration

Which of the following is a property of minerals? a. Age b. Odor c. Hardness d. Size