________ was an early human ancestor thought to be among the first tool makers
Fill in the blank(s) with correct word
Homo habilis
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What does not happen in the cytokinesis of plant cells?
A. Vesicles friom the golgi apparatus move along the microtubules and fuse form cell plate. B. Cell wall formes between the two daughter cells.. C. The two nuclei are segregated into separate daughter cells. D. When the vesicles fuse, their membranes contribute to the formation of plasma membrane on either side of the cell plate. E. Formation of cleavage furrow to separate the cells.
Which is NOT a component of blood?
a. erythrocytes b. osteocytes c. leukocytes d. platelets e. plasma
Water inside xylem is pulled upward by:
a. turgor pressure b. tension c. osmotic gradients d. pressure flow forces e. translocation
Social interaction between animals that benefits both the actor and the recipient is known as ________
A) mutual benefit B) selfishness C) altruism D) spite