Biology, 09.10.2021 22:10 foralways3178
Place events in chronological order
Once ferdized, he eggs inside the capelofa flower become seeds ready to grow into new plants and these precious seeds are protected by fruit.
Over time, fiowers developed petals in an incredible variety of color shapes, and sizes.
Let's pick up the story about 200 million years ago when there were plenty of plants called gymnosperm, but not a single flower.
Soon the blooming plants outnumbered the angiosperms. Flowering plants needed a way to reproduce, so they developed brightly colored petals with lovely aromas. Then, about 140 million years ago, the very first flowering plants appeared. Flowering plants developed enclosed chambers called carpels where ther fertilized eggs grew into seeds.
Answers: 2
Biology, 22.06.2019 00:20, yousifgorgees101
If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible
Answers: 1
Biology, 22.06.2019 01:30, ayoismeisalex
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 09:30, ylianafghgfdsnm1479
Natural resources are any materials that humans obtain from the earth to meet our wants and needs.
Answers: 3
Place events in chronological order
Once ferdized, he eggs inside the capelofa flower become seeds...
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