Biology, 03.12.2020 20:20, blaizelange4296
The evolution of new organs usually builds on preexisting structures that are modified in form and sometimes function. The embryos of fish, amphibians, reptiles, birds, and mammals all have pharyngeal pouches or gill slits. These pouches develop into gills in adult fish and they are used to absorb oxygen from their watery environment. These same pouches become parts of the in humans.
a) eyes and lungs
b) ear and throat
c) eyes and nose
d) lungs and heart
Answers: 3
Biology, 22.06.2019 07:30, jaylabazemore
What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex
Answers: 2
Biology, 22.06.2019 11:00, 1940swannabe
The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian
Answers: 2
The evolution of new organs usually builds on preexisting structures that are modified in form and s...
SAT, 09.10.2021 17:00
Mathematics, 09.10.2021 17:00
SAT, 09.10.2021 17:00
Biology, 09.10.2021 17:00