Which of the following statements are true?
Mass and matter are always the same
Mass can decr...
Biology, 24.03.2021 19:30, queentaryn13
Which of the following statements are true?
Mass and matter are always the same
Mass can decrease while matter increases
Matter is made up of atoms and has mass
Ater does not exist in biosphere
Answers: 2
Biology, 22.06.2019 01:30, jfrjtwrg
In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.
Answers: 2
Biology, 22.06.2019 03:30, codycoker4200
What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms
Answers: 1
Biology, 22.06.2019 08:00, friskisthebest1
As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes
Answers: 3
Biology, 22.06.2019 10:00, AM28
Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?
Answers: 2
Mathematics, 26.06.2019 21:00
Chemistry, 26.06.2019 21:00
Mathematics, 26.06.2019 21:00
Mathematics, 26.06.2019 21:00