Biology, 29.09.2019 09:10 zoejacobs2002
According to the principle of parsimony, the evolution of the four-chambered heart should place birds and mamals in the same clade. why does the most accepted evolutionary tree show them as separate branches from the reptilian line?
Answers: 1
Biology, 22.06.2019 02:10
Scenario #2 in 2001, a population of 2,500 poison dart frogs lived in the amazon rain forest. due to increased deforestation, the population dwindled to 25 frogs in 2019. new government regulations were enacted in 2022, successfully putting an end to the deforestation of the amazon rain forest. once deforestation was stopped, the poison dart frog population was able to recover. by 2050, the population reached 8,000 frogs, of that population, 20 are homozygous recessive for being spotted (ss genotype). q2- ? q- p- p2- 2pq-
Answers: 2
Biology, 22.06.2019 16:00
Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!
Answers: 2
Biology, 22.06.2019 21:00
An adult inhales about 6.0×10−4 m3 of fresh air during a breath. only 20% of fresh air is oxygen. assume the pressure in the lungs is 1.0×105 paand the air is at a temperature of 300 k. how many oxygen molecules are in each breath? a. 1.4x10^23 b. 2.9x10^21 c. 4.9x10^-4 d. 2.9 x10^25
Answers: 2
Biology, 22.06.2019 21:00
The area of shoreline that is ultimately exposed and submerged is the
Answers: 1
According to the principle of parsimony, the evolution of the four-chambered heart should place bird...
Mathematics, 26.09.2021 04:40
Biology, 26.09.2021 04:40
History, 26.09.2021 04:40
Mathematics, 26.09.2021 04:40
Computers and Technology, 26.09.2021 04:40
Arts, 26.09.2021 04:40
Mathematics, 26.09.2021 04:40
Computers and Technology, 26.09.2021 04:50
Computers and Technology, 26.09.2021 04:50
Mathematics, 26.09.2021 04:50