Biology, 28.01.2020 16:51 solisemily62
In vertebrate animals, the same organ in different species often have different structures. for example, the heart of a fish has two chambers while the heart of a mammal has four chambers. what is an explanation for these differences in organ structure? a) reproductive differences b) differences in the size of the animals c) mutation of the genes of the organisms d) adaptation of organisms to their environments
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Biology, 21.06.2019 20:00
How does pregnancy begin? a) a placenta forms in the uterus b) a sperm reaches an egg in the fallopian tubec) the blastocyst differentiates into two cell types d) contractions begin in the uterine wallapex
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Biology, 22.06.2019 00:40
There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule
Answers: 1
Biology, 22.06.2019 01:30
All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.
Answers: 1
In vertebrate animals, the same organ in different species often have different structures. for exam...
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