Cenozoic era

Question 1

Macroevolution

Answer 1

• Macroevolutionary studies focus on change that occurs at or above the level of species.
• Changes in allele frequencies.
• Yuri Philipchenko

Question 2

Placenta

Answer 2

• Сonnects the developing fetus to the uterine wall to allow nutrient uptake.
• Present in humans (female)
• Removes waste products from the baby’s blood

Question 3

Deciduous teeth

Answer 3

Temporary teeth

Question 4

Viviparous

Answer 4

• Development of the embryo inside the body of the mother, eventually leading to live birth, as opposed to laying eggs
• ## Humans

Question 5

Sebaceous gland

Answer 5

• Located in the skin
• Produces oily and waxy matter called sebum.
• Pressent in mammlas