Unfortunately,there Is No Tissue Evidence from Early Hominids for Modern

question 61

Multiple Choice

Unfortunately,there is no tissue evidence from early Hominids for modern man to study and learn about their brains.As such,how do we know that brain size has increased considerably in Hominids?

• A) fossil evidence of brains
• B) neural density scans of fossilized brains
• C) evidence from fossilized skulls
• D) from examining and comparing the layers in our modern brain and primate relatives

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Definitions:

Seminiferous Tubule

Narrow, coiled tubules within the testes where spermatozoa are produced.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to and removing waste from the fetus.

Fetal Blood Cell Production

The process by which blood cells are produced in the fetus, primarily taking place in the liver and spleen before birth.

Organogenesis

The phase of embryonic development during which the organs are formed from the three germ layers.