*Question*
Q: What are the most diverse plants on earth? Choices: - conifers - gymnosperms - grasses - angiosperms A:
**Answer**
angiosperms

*Question*
Q: Australia is home to many endemic species. the (a) wallaby (wallabia bicolor), a medium-sized member of the kangaroo family, is a pouched mammal, or this? Choices: - primate - placental - rodent - marsupial A:
**Answer**
marsupial

*Question*
Q: This calcification prevents diffusion of nutrients into the matrix, resulting in what dying and the opening up of cavities in the diaphysis cartilage? Choices: - nanoparticles - phytocytes - keratinocytes - chondrocytes A:
**Answer**
chondrocytes

*Question*
Q: The nuclei of radioisotopes are unstable, so they constantly decay and emit what? Choices: - moisture - acid - chemicals - radiation A:
**Answer**
radiation