Answer:
The optic disc
Explanation:
At the optic disc, the optic nerve fibers exit the eye through fenestrations within the sclera (lamina cribrosa).
Answer:
trisomy
Explanation:
The prefix tri- means three
The prefix di-means two
The prefix tetra- means four
Answer:
Similar body parts may be homologies or analogies. Both provide evidence for evolution. Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not have the same function in the descendants.
Explanation:
not sure if this will help...
The main reasons for global bees-decline are industrial agriculture, parasites/pathogens and climate change. The loss of biodiversity, destruction of habitat and lack of forage due to monocultures and bee-killing pesticides are particular threats for honeybees and wild pollinators. It is becoming increasingly evident that some insecticides, at concentrations applied routinely in the current chemical-intensive agriculture system, exert clear, negative effects on the health of pollinators – both individually and at the colony level. The observed, sub-lethal, low-dose effects of insecticides on bees are various and diverse.
To fight infection, disease, and sickness