Answer: spotted hyenas
explanation: their main competition is spotted hyenas that often go for the same prey as lions. these animals will fight and steal each other's food. this warfare goes beyond food; it is also the problem of territorial boundaries being crossed
A breast self-examination is a technique which allows an individual to examine the breast tissue for any physical or visual changes. By doing breast self-examination, an early detection of breast cancer can be done. Both men and women should perform a such examination at least once in a month.
The clinical breast examination is carried out to differentiate normal breast from a discrete breast mass. If a discrete mass is identified then evaluation is essential in all such cases to exclude breast cancer. This evaluation is based on the features of the clinical findings, the age of the woman, and her personal risk for breast cancer.
Land mammals became more common in the Quaternary period, which came after the Neogene, so the first statement is not true.
FIrst whales evolved 50 million years ago and the quaternary period began 2,6 years ago, so the first whales did not evolve during this period.
The quarternary period is famous for its ice ages, so the Earth did not heat up during this period.
There was indeed a rise in the ocean levels during the Neogene period, so this is a true statement
A control variable is a scientific experiment in which the experimental element is unchanged throughout the experiment
a control group is a group in an experiment that does not receive the treatment by the researchers (untouched by them) and used to see the changes between the controlled group and that of the group that received the vial
hope this helps