Biology, 07.07.2019 16:40 icecreamisgood4u
Which organism has a central brain a. sponge b. hydra c. flatworm d. fish
Answers: 2
Biology, 21.06.2019 20:00
Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms
Answers: 1
Biology, 22.06.2019 01:30
Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.
Answers: 1
Biology, 22.06.2019 04:30
Sexual reproduction in the parent cell will result in offspring with a) identical genetic information. b) half the genetic information. c) double the genetic information. d) four times the genetic information.
Answers: 1
Biology, 22.06.2019 07:00
What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination
Answers: 1
Which organism has a central brain a. sponge b. hydra c. flatworm d. fish...
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