Match the following vocabulary words. 1. first filial generation; the first generation from a given cross gamete 2. second filial generation genotype 3. a reproductive cell produced by the male or female parent f1 generation 4. a portion of dna which codes a specific hereditary trait gene 5. the genes present in an organism heterozygous 6. refers to a pair of genes for a specific trait in an organism which are different f2 generation

i think it is number 1 hope this helps good luck

Explanation:

4

as the gila monster consumes the eggs or young of the desert cottontail and gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. however, for this, the gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

first, is that they possess huge bodies, and can consume greater concentrations of food during a small period. secondly, they require to feed infrequently as they can accumulate fat in their tails. ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.