Q: Female monotremes lack a uterus and vagina. instead they have what? Choices: - endometrium - placenta - urethra - cloaca A:
cloaca

Q: Which blood vessels is oxygen transferred through? Choices: - cilia - arteries - veins - capillaries A:
capillaries

Q: Q: What organs secrete hormones that help maintain homeostasis? Choices: - the digestion organs - the lungs - the gonads - the kidneys A:
A: the kidneys

Question: Q: What large dwarf planet in our solar system was only discovered in 2005? Choices: - artemis - Cerus - zeus - eris A:
Answer: eris

*Question*
Q: What might arthropods use as legs for walking? Choices: - antennae - flagella - cloven hooves - jointed appendages A:
**Answer**
jointed appendages

Q: Q: What might eventually happen to a species if it is unable to reproduce? Choices: - natural selection - migration - adaptation - extinction A:
A: extinction