Answer: Prey for the rabbits would decrease greatly; there would be less food for the frogs and voles, so their populations would decrease. This means less food for the foxes and hawks.
Answer:
Many traits unique to the human lineage were long thought to have originated between 2.4 million and 1.8 million years ago in Africa. These include a large brain and body, long legs, reduced differences between the sexes, increased meat-eating, prolonged maturation periods, increased social cooperation and tool making.
Answer:
Neurotransmitter are produced by nervous system while hormones are produced by endocrine glands
Neurotransmitter are secreted in synaptic cleft while hormone are secreted to blood
Neurotransmitter are quick and short in action while hormones are slower and last longer
Similarities, they are both chemical messengers
False
Biomes such as deserts or grasslands appear all over the earth.
biomes are just names for specific regions such as rainforest, tundras, deserts, etc
B. Nucleus (because the nucleus is to the organelles, like the brain to our organs).