Scientists believe the first giraffes on earth had shorter legs and a shorter neck than giraffes today. what can you conclude about these first giraffes? a) they ate both meat and leaves from trees. b) they had food sources that were low to the ground. c) they found it necessary to flee quickly from predators. d) they had abundant sources of water from which to drink.

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening