The pincer grip is the ability to hold objects between thumb and index finger.
The pincer grip is the ability to hold and manipulate objects between thumb and index finger. The pincer grip usually emerges in infants between 12 and 15 months of age. With this ability, a child can turn the pages of a book, and open and close a zipper.
Answer:
2
Explanation:
The two DNA strands intertwine around each other to form a double helix.
Answer:
The correct option is <em>A. Fins are an adaptation that aid in swimming.</em>
Explanation:
Fins are an adaptation which brings about different kinds of locomotion in fishes. They allow fishes to move forward, to turn their bodies, to keep an upright position. They also aid the fishes to swim. Also, there are certain types of fishes which can fly using pectoral fins. However, the fins were first used by fishes for locomotion. There are different types of fins present in different kinds of fishes. Each kind of fin is best suited to perform different actions.
Answer:
In terms of genetic variation, allelic richness (A) estimated through rarefaction resulted in 1.6–3.0 mean alleles per colony, and no private alleles were found. Mean genetic diversity (HE) was 0.525 (SD = 0.11), with values ranging from 0.276 (SD = 0.25) to 0.618 (SD = 0.09).
Explanation:
Utah prairie dog (Cynomys parvidens), and Mexican prairie dog (Cynomys mexicanus)—all of which may be considered rare (Hoogland 2006a). After 200 years of shootings, poisonings, conversion of habitat, and more recently plague, prairie dog numbers are a fraction of what they once were. Two of the species (Utah and Mexican) are listed as threatened or endangered under the Endangered Species Act (ESA).
