Biology, 27.01.2020 09:31, jaleelbrown80
What dose a kangaroo lack that mammals such as dogs and cats have
Answers: 3
Biology, 21.06.2019 13:00, genyjoannerubiera
Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? the wings are analogous structures that evolved differently and do not have a similar internal structure. the wings are homologous structures that evolved differently and do not have a similar internal structure. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. wings of bats are vestigial structures, but the wing structures of birds are not vestigial.
Answers: 2
Biology, 22.06.2019 04:00, jorgepas66
The tubes transporting minerals and water upward are called ?
Answers: 1
Biology, 22.06.2019 15:00, rgilliam3002
Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.
Answers: 2
What dose a kangaroo lack that mammals such as dogs and cats have...
History, 24.06.2019 19:50